Class of Stock [Axis]
Common Stock, par value $0.01 per share
6.00 Notes Due 2026 [Member]
Asset Class [Axis]
Non Controlled Non Affiliate Investments [Member]
Non Controlled Affiliate Investments [Member]
Controlled Investments [Member]
Related and Nonrelated Party Status [Axis]
Related Party [Member]
Investment Type [Axis]
US Treasury Bill Securities [Member]
Investments [Member]
Debt Instrument [Axis]
6.00% Convertible Senior Notes [Member]
Consolidated Entities [Axis]
Non-Controlled/Non-Affiliate [Member]
Legal Entity [Axis]
Learneo, Inc. (f/k/a Course Hero, Inc.) [Member]
Preferred shares, Series A 8% [Member]
Preferred shares, Series C 8% [Member]
Blink Health, Inc. [Member]
Series A Preferred Stock [Member]
Series C Preferred Stock [Member]
Locus Robotics Corp [Member]
Series F Preferred Stock [Member]
Orchard Technologies, Inc. [Member]
Series D Preferred Stock [Member]
Senior Preferred Shares, Series 2 [Member]
Senior Preferred Shares, Series 1 [Member]
Common Stock [Member]
Whoop, Inc. [Member]
Varo Money Inc [Member]
Forge Global, Inc.[Member]
Aspiration Partners, Inc. [Member]
Series C-3 Preferred Stock [Member]
True Global Ventures 4 Plus Pte Ltd [Member]
Limited Partner Fund Investment [Member]
Nextdoor Holdings, Inc. [Member]
Common Class B [Member]
Shogun Enterprises, Inc. (d/b/a Hearth) [Member]
Preferred shares, Series B-1 [Member]
Preferred shares, Series B-2 [Member]
Convertible Note 0.5%, Due 4/18/2024 [Member]
Residential Homes for Rent, LLC (d/b/a Second Avenue) [Member]
Term loan 15%, Due 12/23/2023 [Member]
Trax Ltd. [Member]
Preferred Stock Investec Series [Member]
PayJoy, Inc. [Member]
Preferred Stock [Member]
Skillsoft Corp. [Member]
Aventine Property Group Inc [Member]
NewLake Capital Partners Inc (fka Green Acreage Real Estate Corp) [Member]
Commercial Streaming Solutions Inc. (d/b/a BettorView) [Member]
Simple Agreement for Future Equity [Member]
Xgroup Holdings Limited (d/b/a Xpoint) [Member]
Convertible Note 6%, Due 8/17/2023 [Member]
Rebric, Inc. [Member]
Preferred Stock Series Seed-4 [Member]
YouBet Technology, Inc. [Member]
Preferred Stock Series Seed 2 [Member]
EDGE Markets, Inc. [Member]
Preferred Stock, Series Seed [Member]
Churchill Sponsor VII LLC [Member]
Warrant [Member]
AltC Sponsor LLC [Member]
Share Units [Member]
Churchill Sponsor VI LLC [Member]
Neutron Holdings, Inc. (d/b/a/ Lime) [Member]
Junior Preferred Stock Series 1-D [Member]
Junior Preferred Convertible Note 4% Due 5/11/2027 [Member]
Common Warrants Strike Price $0.01 Expiration Date 5/11/2027 [Member]
Fullbridge, Inc. [Member]
Promissory Note 1.47%, Due 11/9/2021 [Member]
Treehouse Real Estate Investment Trust, Inc. [Member]
Kinetiq Holdings LLC [Member]
Common Class A [Member]
Non-Controlled Affiliate [Member]
StormWind, LLC [Member]
Preferred Shares Series D 8% [Member]
Preferred Shares Series C 8% [Member]
Preferred Shares Series B 8% [Member]
Preferred Shares Series A 8% [Member]
OneValley, Inc. (f/k/a NestGSV, Inc) [Member]
Derivative Security, Expiration Date 8/23/2024 [Member]
Convertible Promissory Note 8% Due 8/23/2024 [Member]
Preferred Warrant Series B, Strike Price $2.31, Expiration Date 12/31/2023 [Member]
Ozy Media, Inc. [Member]
Preferred shares, Series C-2 6% [Member]
Preferred shares, Series B 6% [Member]
Preferred Shares Series A 6 % [Member]
Preferred Shares Series Seed 6% [Member]
Common Warrants, Strike Price $0.01, Expiration Date 4/9/2028 [Member]
Maven Research Inc [Member]
Series B Preferred Stock [Member]
Curious.Com Inc [Member]
Controlled [Member]
Colombier Sponsor LLC [Member]
Class B Units [Member]
Class W Units [Member]
Architect Capital PayJoy SPV, LLC [Member]
Membership Interest in Lending SPV [Member]
SPBRX, INC. (f/k/a GSV Sustainability Partners, Inc.) [Member]
Preferred Class A [Member]
Portfolio Investments [Member]
US Treasury Bill One [Member]
US Treasury Bill Two [Member]
U S. Treasury Bill [Member]
Rent the Runway, Inc. [Member]
Kahoot ASA [Member]
Non-Qualifying Assets [Member]
True Global Ventures 4 Plus Fund LP [Member]
Residential Homes For Rent, LLC [Member]
Investment, Name [Axis]
GCL [Member]
SuRo Capital Sports LLC (SuRo Sports) [Member]
GSVC AE Holdings Inc (GAE) [Member]
Taxable Subsidiaries [Member]
GSVC AV Holdings Inc (GAV) [Member]
GSVC SW Holdings Inc (GSW) [Member]
GSVC SVDS Holdings Inc (SVDS) [Member]
Shogun Enterprises, Inc. [Member]
Industry Sector [Axis]
West [Member]
Northeast [Member]
Midwest [Member]
International [Member]
Education Technology [Member]
Financial Technology [Member]
Marketplaces [Member]
Big Data/Cloud [Member]
Social/Mobile [Member]
Sustainability [Member]
Related Party, Type [Axis]
Private Portfolio Companies [Member]
Debt Investments [Member]
Options Held [Member]
Publicly Traded Portfolio Companies [Member]
Portfolio Investment [Member]
Non Portfolio Investments [Member]
US Treasury Bills [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 3 [Member]
Common Stock in Private Companies [Member]
Valuation Approach and Technique [Axis]
Valuation, Market Approach [Member]
Measurement Input Type [Axis]
Measurement Input, Revenue Multiple [Member]
Statistical Measurement [Axis]
Minimum [Member]
Maximum [Member]
Weighted Average [Member]
PWERM [Member]
AFFO Multiple [Member]
Preferred Stock in Private Companies [Member]
Measurement Input, Discount Rate [Member]
Valuation Technique, Discounted Cash Flow [Member]
Measurement Input, Discount for Lack of Marketability [Member]
Measurement Input Financing Risk [Member]
Options [Member]
Measurement Input Liquidation Value [Member]
Equity Option [Member]
Valuation Technique, Option Pricing Model [Member]
Measurement Input Term of Expiration [Member]
Equity Components [Axis]
Junior Preferred Warrants [Member]
Common Warrants [Member]
SPBRX Inc [Member]
Membership [Member]
OneValley, Inc. [Member]
Knowledge Networks [Member]
Preferred Shares, Series C-2 6% [Member]
Digital Media Platform [Member]
Preferred Shares, Series B 6% [Member]
Preferred Shares, Series A 6% [Member]
Preferred Shares, Series Seed 6% [Member]
Preferred Shares, Series D 8% [Member]
Interactive Learning [Member]
Preferred Shares, Series C 8% [Member]
Preferred Shares, Series B 8% [Member]
Preferred Shares, Series A 8% [Member]
Preferred Warrant Series B Two Stock [Member]
Global Innovation Platform [Member]
Derivative Security [Member]
Online Education [Member]
Preferred Warrants [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Share Repurchase Program [Member]
Title of Individual [Axis]
Board of Directors [Member]
At-the-Market Sales Agreement [Member]
6.00% Notes due 2026 [Member]
Sale of Stock [Axis]
Over-Allotment Option [Member]
Plan Name [Axis]
2019 Enquity Incentive Plan [Member]
Award Type [Axis]
Share-Based Payment Arrangement, Option [Member]
Scenario [Axis]
Amended and Restated 2019 Equity Incentive Plan [Member]
Non Employee Director [Member]
Restricted Stock [Member]
Restricted Shares of Common Stock [Member]
Restricted Share Grants [Member]
2021 Non-employee Director [Member]
Subsequent Event Type [Axis]
Subsequent Event [Member]
Statement [Table]
Statement [Line Items]
Document Type
Amendment Flag
Amendment Description
Document Registration Statement
Document Annual Report
Document Quarterly Report
Document Transition Report
Document Shell Company Report
Document Shell Company Event Date
Document Period Start Date
Document Period End Date
Document Fiscal Period Focus
Document Fiscal Year Focus
Current Fiscal Year End Date
Entity File Number
Entity Registrant Name
Entity Central Index Key
Entity Primary SIC Number
Entity Tax Identification Number
Entity Incorporation, State or Country Code
Entity Address, Address Line One
Entity Address, Address Line Two
Entity Address, Address Line Three
Entity Address, City or Town
Entity Address, State or Province
Entity Address, Country
Entity Address, Postal Zip Code
Country Region
City Area Code
Local Phone Number
Extension
Written Communications
Soliciting Material
Pre-commencement Tender Offer
Pre-commencement Issuer Tender Offer
Title of 12(b) Security
No Trading Symbol Flag
Trading Symbol
Security Exchange Name
Title of 12(g) Security
Security Reporting Obligation
Annual Information Form
Audited Annual Financial Statements
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Interactive Data Current
Entity Filer Category
Entity Small Business
Entity Emerging Growth Company
Elected Not To Use the Extended Transition Period
Document Accounting Standard
Other Reporting Standard Item Number
Entity Shell Company
Entity Public Float
Entity Bankruptcy Proceedings, Reporting Current
Entity Common Stock, Shares Outstanding
Documents Incorporated by Reference [Text Block]
Impairment Effects on Earnings Per Share [Table]
Impairment Effects on Earnings Per Share [Line Items]
ASSETS
Investments at fair value:
Total Portfolio Investments
Investments in U.S. Treasury bills (cost of $75,497,157 and $84,999,598, respectively)
Total Investments (cost of $290,850,151 and $301,128,106, respectively)
Cash
Escrow proceeds receivable
Interest and dividends receivable
Deferred financing costs
Prepaid expenses and other assets
Total Assets
LIABILITIES
Accounts payable and accrued expenses
Dividends payable
6.00% Notes due December 30, 2026
Total Liabilities
Commitments and contingencies (Notes 7 and 10)
Net Assets
NET ASSETS
Common stock, par value $0.01 per share (100,000,000 authorized; 28,338,580 and 28,429,499 issued and outstanding, respectively)
Paid-in capital in excess of par
Accumulated net investment loss
Accumulated net realized gain on investments, net of distributions
Accumulated net unrealized appreciation/(depreciation) of investments
Net Assets
Net Asset Value Per Share
Schedule of Investments [Table]
Schedule of Investments [Line Items]
Investment cost
Common stock, par value
Common stock, shares authorized
Common stock, shares issued
Common stock, shares outstanding
Debt instrument interest rate
Debt instrument effective interest rate
Debt instrument face amount
INVESTMENT INCOME
Interest income
Dividend income
Interest income from U.S. Treasury bills
Total Investment Income
OPERATING EXPENSES
Compensation expense
Directors’ fees
Professional fees
Interest expense
Income tax expense
Other expenses
Total Operating Expenses
Net Investment Loss
Realized Gain on Investments:
Net Realized Gain on Investments
Change in Unrealized Appreciation/(Depreciation) of Investments:
Net Change in Unrealized Appreciation/(Depreciation) of Investments
Net Change in Net Assets Resulting from Operations
Net Change in Net Assets Resulting from Operations per Common Share:
Basic
Diluted
Weighted-Average Common Shares Outstanding
Basic
Diluted
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Balance, shares
Change in Net Assets Resulting from Operations
Net investment loss
Net realized gain/(loss) on investments
Net change in unrealized appreciation/(depreciation) of investments
Net Change in Net Assets Resulting from Operations
Distributions
Dividends declared
Total Distributions
Change in Net Assets Resulting from Capital Transactions
Issuance of common stock from public offering
Stock-based compensation
Repurchases of common stock
Net Change in Net Assets Resulting from Capital Transactions
Total Change in Net Assets
Balance, shares
Capital Share Activity
Shares outstanding at beginning of period
Issuance of common stock from public offering, shares
Issuance of common stock under restricted stock plan, net, shares
Issuance of common stock under restricted stock plan, net, shares
Shares repurchased, shares
Balance, shares
Statement of Cash Flows [Abstract]
Cash Flows from Operating Activities
Net change in net assets resulting from operations
Adjustments to reconcile net change in net assets resulting from operations to net cash provided by/(used in) operating activities:
Net realized gain on investments
Net change in unrealized (appreciation) of investments
Amortization of discount on 6.00% Notes due 2026
Stock-based compensation
Adjustments to escrow proceeds receivable
Accrued interest on U.S. Treasury bills
Purchases of investments in:
Portfolio investments
U.S. Treasury bills
Proceeds from sales or maturity of investments in:
Portfolio investments
U.S. Treasury bills
Change in operating assets and liabilities:
Prepaid expenses and other assets
Interest and dividends receivable
Proceeds receivable
Escrow proceeds receivable
Payable for securities purchased
Accounts payable and accrued expenses
Accrued interest payable
Net Cash Provided by/(Used in) Operating Activities
Cash Flows from Financing Activities
Proceeds from the issuance of common stock, net
Repurchases of common stock
Cash dividends paid
Deferred financing costs
Net Cash Used in Financing Activities
Total Increase/(Decrease) in Cash Balance
Cash Balance at Beginning of Year
Cash Balance at End of Period
Supplemental Information:
Interest paid
Taxes paid
Schedule of Short-Term Debt [Table]
Short-Term Debt [Line Items]
Common stock from conversion of convertible notes
Debt instrument maturity date, description
Headquarters/Industry
Date of Initial Investment
Investment Owned, Balance, Shares
Investment Owned, at Cost
Investment Owned, at Fair Value
Investment Owned, Percent of Net Assets
Capital commitment
Proceeds from investment
Debt interest rate
Repayment for investment
Investment net
Strike price
Warrant exercise price
Number of warrants
Number of warrants converted to common stock
NATURE OF OPERATIONS
Accounting Policies [Abstract]
SIGNIFICANT ACCOUNTING POLICIES
Related Party Transactions [Abstract]
RELATED-PARTY ARRANGEMENTS
Investments in and Advances to Affiliates [Abstract]
INVESTMENTS AT FAIR VALUE
Equity [Abstract]
COMMON STOCK
Earnings Per Share [Abstract]
NET CHANGE IN NET ASSETS RESULTING FROM OPERATIONS PER COMMON SHARE—BASIC AND DILUTED
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES
Investment Company [Abstract]
FINANCIAL HIGHLIGHTS
Income Tax Disclosure [Abstract]
INCOME TAXES
Debt Disclosure [Abstract]
DEBT CAPITAL ACTIVITIES
Share-Based Payment Arrangement [Abstract]
STOCK-BASED COMPENSATION
Subsequent Events [Abstract]
SUBSEQUENT EVENTS
SUPPLEMENTAL FINANCIAL DATA
Basis of Presentation
Basis of Consolidation
Use of Estimates
Uncertainties and Risk Factors
Investments at Fair Value
Securities Transactions
Valuation of Other Financial Instruments
Revenue Recognition
Investment Transaction Costs and Escrow Deposits
Unrealized Appreciation or Depreciation of Investments
U.S. Federal and State Income Taxes
Per Share Information
Recently Issued or Adopted Accounting Standards
SCHEDULE OF COMPANY’S SUBSIDIARIES
SCHEDULE OF COMPOSITION OF INVESTMENT PORTFOLIO
SCHEDULE OF FAIR VALUE OF INVESTMENT VALUATION INPUTS
SCHEDULE OF FAIR VALUE OF ASSETS ON UNOBSERVABLE INPUT
SCHEDULE OF AGGREGATE VALUE OF ASSETS AND LIABILITIES
SCHEDULE OF INVESTMENTS IN AND ADVANCES TO AFFILIATES
SCHEDULE OF BASIC AND DILUTED COMMON SHARE
SCHEDULE OF FUTURE MINIMUM PAYMENTS OF OPERATING LEASE
SCHEDULE OF FINANCIAL HIGHLIGHTS
SCHEDULE OF STOCK OPTIONS, VALUATION ASSUMPTIONS
SCHEDULE OF OPTION, ACTIVITY
SCHEDULE OF EQUITY INCENTIVE PLAN
SCHEDULE OF INVESTMENTS
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Jurisdiction of Incorporation
Formation Date
Percentage Owned
Debt Issuance Costs, Current, Net
Operating leases, term of contract
Escrow deposits
Investment owned at fair value
Investments in and Advances to Affiliates [Line Items]
Investment at Cost
Percentage of Net Assets
Platform Operator, Crypto-Asset [Table]
Platform Operator, Crypto-Asset [Line Items]
Investment at fair value
Fair value assets
Valuation Approach/ Technique
Unobservable Inputs
Range (Weighted Average)
Fair value beginning balance
Purchases, capitalized fees and interest
Sales/Maturity of investments
Exercises and conversions
Realized gains/(losses)
Net change in unrealized appreciation/(depreciation) included in earnings
Fair value ending balance
Net change in unrealized appreciation/ (depreciation) of Level 3 investments still held as of December 31, 2022
Transfers out of Level 3
Expiration Date
Principal/Quantity
Interest, Fees, or Dividends Credited in Income
Fair value of investment, beginning balance
Unrealized Gains/(Losses)
Fair value of investment, ending balance
Transfer In/Out
Purchases, Capitalized Fees, Interest and Amortization
Sales
Realized Gains/(Losses)
Maturity date
Strike Price
Warrant expiration date
Percentage for total investment
Number of positions
Number of portfolio companies
Percentage of Portfolio
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Payment for repurchase of common stock
Common stock par value
Common stock value
Stock repurchased during period value
Increase in amount of shares, repurchased value
Number of shares repurchased
Aggregate amount
Sale of stock aggregate amount
Shares issued value
Gross sales price, percentage
Weighted average price per share
Proceeds from issuance or sale of equity
Net change in net assets resulting from operations
Weighted-average common shares–basic
Earnings per common share–basic
Net change in net assets resulting from operations
Weighted Average Number of Shares Outstanding, Diluted
Earnings per common share–diluted
2023
2024
Total
Lease expiration date
Right of use assets
Security deposits
Operating lease, expense
Operating lease remaining term
Lessee, operating lease, discount rate
Net asset value at beginning of the year
Net investment loss
Net realized gain on investments
Net change in unrealized appreciation/(depreciation) of investments
Dividends declared
Issuance of common stock from public offering
Repurchase of common stock
Stock-based compensation
Net asset value at end of period
Per share market value at end of period
Total return based on market value
Total return based on net asset value
Average net assets
Ratio of net operating expenses to average net assets
Ratio of net investment loss to average net assets
Portfolio Turnover Ratio
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Investment gain percent
Nondeductible excise tax, percent
Income tax, description
Proceeds from debt
Debt instrument, issuance date
Debt instrument, interest rate
Debt instrument, frequency of periodic payment description
Debt instrument, notes redeem, description
Redemption price percent
Closing market price, per note
Debt instrument, fair value
Term (years)
Volatility
Risk-free rate
Dividend yield
Number of shares outstanding, beginning
Weighted-Average exercise price, outstanding
Weighted average grant date fair value, outstanding
Number of shares cancelled
Weighted-Average exercise price, cancelled
Weighted average grant date fair value cancelled
Number of shares outstanding, ending
Weighted average exercise price outstanding, ending
Weighted average grant date fair value cancelled, ending
Number of vested and exercisable
Weighted-Average exercise price, vested and exercisable
Weighted average grant date fair value, vested and exercisable
Number of shares, cancelled
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of restricted shares outstanding beginning
Number of shares granted
Number of shares vested
Number of shares forfeited
Number of restricted shares outstanding ending
Number of shares vested
Shares vested
Shares forfeited
Shares granted
Stock ownership percentage
Share based payment award description
Options vesting, period
Weighted average price per share
Unrecognized compensation cost related to non vested
Shares issued, shares
Shares issued, value
Restricted shares issued, value
Share-based payment award options grants value
Stock-based compensation expense
Unrecognized compensation costs
Restricted shares
Subsequent Event [Table]
Subsequent Event [Line Items]
Transaction date
Net proceeds
Repayments of debt
Warrant expiration date
Purchase of shares
Share price
Expiration date
Repurchase of shares
Share price
Sec 6.00 Notes Due 2026 [Member]
Investments in U.s. treasury bills cost.
Escrow proceeds receivable
Interest and dividends receivable.
Investment Industry Description.
Accumulated net investment loss.
Accumulated net realized gain on investments, net of distributions.
Accumulated net unrealized (depreciation) appreciation of investments.
Date of Initial Investment.
Non-Controlled/Non-Affiliate [Member]
Learneo, Inc. (f/k/a Course Hero, Inc.) [Member]
Preferred shares, Series A 8% [Member]
Preferred shares, Series C 8% [Member]
Blink Health Inc [Member]
Locus Robotics Corp [Member]
Orchard Technologies, Inc. [Member]
Whoop, Inc. [Member]
Varo Money Inc [Member]
Forge Global, Inc.[Member]
Aspiration Partners, Inc. [Member]
Series C-3 Preferred Stock [Member]
True Global Ventures 4 Plus Pte Ltd [Member]
Limited Partner Fund Investment [Member]
Nextdoor Holdings, Inc. [Member]
Shogun Enterprises, Inc. (d/b/a Hearth) [Member]
Preferred shares, Series B-1 [Member]
Preferred shares, Series B-2 [Member]
Convertible Note Zero Point Five Percentage Due Two Thousand Twenty Four [Member]
Residential Homes for Rent, LLC (d/b/a Second Avenue) [Member]
Term loan 15%, Due 12/23/2023 [Member]
Trax Ltd. [Member]
Preferred Stock Investec Series [Member]
PayJoy, Inc. [Member]
Non Controlled Non Affiliate Investments [Member]
Non Controlled Affiliate Investments [Member]
Controlled Investments [Member]
Investment interest income expense net.
Director fees.
Change in Unrealized Appreciation Depreciation of Investments [Abstract]
Dividends declared.
Skillsoft Corp. [Member]
Stock issued during period values share based compensation gross.
Investment company capital share transactions.
Aventine Property Group Inc [Member]
Stock repurchased for capital share activity.
Commercial Streaming Solutions Inc. (d/b/a BettorView) [Member]
Simple Agreement For Future Equity [Member]
Xgroup Holdings Limited (d/b/a Xpoint) [Member]
Convertible Note 6%, Due 8/17/2023 [Member]
Preferred Stock Series Seed Four [Member]
Preferred Stock Series Seed Two [Member]
EDGE Markets, Inc. [Member]
Preferred Stock, Series Seed [Member]
Churchill Sponsor VII LLC [Member]
AltC Sponsor LLC [Member]
Share Units [Member]
Churchill Sponsor VI LLC [Member]
Neutron Holdings, Inc. (d/b/a/ Lime) [Member]
Junior Preferred Stock Series 1-D [Member]
Junior Preferred Convertible Note Four Percentage Due Two Thousand Twenty Seven [Member]
Common Warrants Strike Price Zero Point Zero One Expiration Two Thousand Twenty Seven [Member]
Fullbridge, Inc. [Member]
Realized investment gain (losses).
Promissory Note 1.47% [Member]
Treehouse Real Estate Investment Trust, Inc. [Member]
Adjustments to escrow proceeds receivable.
Purchases of Investments [Abstract]
Purchases of portfolio investments.
Kinetiq Holdings LLC [Member]
Purchases of US Treasury Bills Investments.
Proceeds from sales or maturity of investments [Abstract]
Proceeds from sales or maturity of investments portfolio investments.
Proceeds from sales or maturity of investments U.S. Treasury Bills.
Increase decrease in proceeds receivable.
Increase decrease in escrow proceeds receivable.
Increase decrease in payable for securities purchased.
4.75% Convertible Senior Notes [Member]
Six Point Zero Zero Percentage Convertible Senior Notes [Member]
New Lake Capital Partners Inc fka Green Acreage Real Estate Corp [Member]
Shogun Enterprises, Inc [Member]
Non-Controlled Affiliate [Member]
StormWind, LLC [Member]
Preferred Shares Series D Eight Percentage [Member]
Preferred Shares Series C Eight Percentage [Member]
Preferred Shares Series B Eight Percentage [Member]
Preferred Shares Series A Eight Percentage [Member]
OneValley, Inc. (f/k/a NestGSV, Inc) [Member]
Derivative Security, Expiration Date 8/23/2024 [Member]
Convertible Promissory Note 8% Due 8/23/2024 [Member]
Preferred Warrant Series B, Strike Price $2.31, Expiration Date 12/31/2023 [Member]
Ozy Media, Inc. [Member]
Preferred shares, Series C-2 6% [Member]
Preferred shares, Series B 6% [Member]
Preferred Shares Series A Six Percentage [Member]
Preferred Shares Series Seed Six Percentage [Member]
Common Warrants, Strike Price $0.01, Expiration Date 4/9/2028 [Member]
Residential Homes for Rent, LLC [Member]
Curious.Com Inc [Member]
Controlled [Member]
Colombier Sponsor LLC [Member]
Class B Units [Member]
Class W Units [Member]
Architect Capital PayJoy SPV, LLC [Member]
Membership Interest in Lending SPV [Member]
SPBRX, INC. (f/k/a GSV Sustainability Partners, Inc.) [Member]
Portfolio Investments [Member]
US Treasury Bill One [Member]
US Treasury Bill Two [Member]
U S. Treasury Bill [Member]
Rebric, Inc. [Member]
YouBet Technology, Inc. [Member]
Rent the Runway, Inc. [Member]
Kahoot ASA [Member]
Derivative Security [Member]
OneValley, Inc. [Member]
Maven Research Inc [Member]
SPBRX Inc [Member]
Number of warrants converted to common stock.
Proceeds from investment.
True Global Ventures 4 Plus Fund LP [Member]
Capital commitment.
Non-Qualifying Assets [Member]
Schedule of Subsidiaries of Company [Table Text Block]
GCL [Member]
SuRo Capital Sports LLC (SuRo Sports) [Member]
GSVC AE Holdings Inc (GAE) [Member]
Taxable Subsidiaries [Member]
GSVC AV Holdings Inc (GAV) [Member]
GSVC SW Holdings Inc (GSW) [Member]
GSVC SVDS Holdings Inc (SVDS) [Member]
Uncertainties and risk factors [Policy Text Block]
Schedule of Deferred Financing Costs [Table Text Block]
Investment Transaction Costs and Escrow Deposits [Policy Text Block]
Unrealized Appreciation or Depreciation of Investments [Policy Text Block]
Number of positions
Number of portfolio companies
Income (Loss) from continuing operations diluted.
Adjustment for interest and amortization.
Net change in net assets aesulting from operations as adjusted diluted.
Adjustment for dilutive effect.
Private Portfolio Companies [Member]
Debt Investments [Member]
Publicly Traded Portfolio Companies [Member]
Portfolio Investment [Member]
Non Portfolio Investments [Member]
US Treasury Bills [Member]
Non-Binding Investment Agreement [Member]
Knowledge Networks [Member]
Investment company, unrealized investment income (loss) from operations, per share.
Investment company issuance offering per share.
Investment company repurchase per share.
Investment company share based compensation arrangement by share based payment.
Market value, value per share.
Investment company total return based on market value.
Average net asset.
West [Member]
Northeast [Member]
Midwest [Member]
International [Member]
Investment company turnover ratio after incentive allocation.
Investment owned percent of investment portfolio.
Education Technology [Member]
Financial Technology [Member]
Marketplaces [Member]
Big Data/Cloud [Member]
Social/Mobile [Member]
Sustainability [Member]
Preferred Shares, Series C-2 6% [Member]
Digital Media Platform [Member]
Preferred Shares, Series B Six Percentage [Member]
Preferred Shares, Series A 6% [Member]
Preferred Shares, Series Seed 6% [Member]
Preferred Shares, Series D 8% [Member]
Interactive Learning [Member]
Preferred Shares, Series C 8% [Member]
Preferred Shares, Series B 8% [Member]
Preferred Shares, Series A 8% [Member]
Common Warrants [Member]
Preferred Warrant Series B Stock [Member]
Global Innovation Platform [Member]
Online Education [Member]
6.00% Notes due 2026 [Member]
Common Stock in Private Companies [Member]
Preferred Stock in Private Companies [Member]
Valuation technique and input description.
PWERM [Member]
Preferred Warrants [Member].
Closing market price, per note
Unobservation input description.
Measurement Input Liquidation Value [Member].
AFFO Multiple [Member]
2019 Enquity Incentive Plan [Member]
Stock Ownership Percentage.
Measurement Input Financing Risk [Member]
Measurement Input Term of Expiration [Member]
Options [Member]
Fair value assets measured on recurring basis change in unrealized gain loss.
Fair value assets measured on recurring basis still held unrealized gain loss.
Junior Preferred Warrants [Member]
Unrecognized share based compensation.
Share-based compensation arrangement by share-based payment award options vested and exercisable weighted average grant date fair value.
Share Repurchase Program [Member]
Board of Directors [Member]
Amended and Restated 2019 Equity Incentive Plan [Member]
Modification of Dutch Auction Tender Offer [Member]
At-the-Market Sales Agreement [Member]
Percentage of sales price.
Non Employee Director [Member]
Stock issued during period shares restricted stock award value.
Restricted Shares of Common Stock [Member]
Share-based compensation arrangement by share-based payment award options grants in period value.
2021 Non-employee Director [Member]
Restricted Share Grants [Member]
Share based compensation arrangement by share based payment award other than options vested and expected to vest outstanding number.
Schedule of investments table text block.
Non-binding Investment.
Preferred Warrant Series A Three [Member]
Percentage of outstanding share.
Senior Preferred Shares Series Two [Member]
Senior Preferred Shares Series One [Member]
Fair value measurement with unobservable inputs reconciliation recurring basis exercises and conversions.
Accrued interest on U.S. Treasury bills.
Assets
Liabilities
Net Assets
Equity, Including Portion Attributable to Noncontrolling Interest
Investment Income, Net
Operating Expenses
InvestmentCompanyDividendDeclared
Investment Company, Dividend Distribution
Shares, Outstanding
RealizedInvestmentGainLosses
AccruedInterestOnUSTreasuryBills
PurchasesOfPortfolioInvestments
PurchasesOfUSTreasuryBillsInvestments
Increase (Decrease) in Prepaid Expense and Other Assets
Increase (Decrease) in Interest and Dividends Receivable
IncreaseDecreaseInProceedsReceivable
IncreaseDecreaseInEscrowProceedsReceivable
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Net Cash Provided by (Used in) Operating Activities
Payments of Dividends
Payments of Financing Costs
Net Cash Provided by (Used in) Financing Activities
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions
IncomeLossFromContinuingOperationsDiluted
Investment Company, Gain (Loss) on Investment, Per Share
InvestmentCompanyIssuanceOfferingPerShare
InvestmentCompanyShareBasedCompensationArrangementByShareBasedPayment
MarketValueValuePerShare
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value