CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES - USD ($) $ in Thousands	Dec. 31, 2023		Mar. 31, 2023
Assets
Investments at fair value	$ 1,365,037	[1],[2],[3],[4],[5],[6],[7]	$ 1,206,388	[8],[9],[10]
Cash and cash equivalents	23,605		21,585
Receivables:
Dividends and interest	23,609		18,430
Escrow	16		363
Other	1,264		647
Income tax receivable	349		368
Debt issuance costs (net of accumulated amortization of $7,213 and $5,642, respectively)	9,655		3,717
Other assets	5,952		6,186
Total assets	1,429,487		1,257,684
Liabilities
Credit facility	195,000		235,000
Other liabilities	18,376		16,761
Accrued restoration plan liability	584		598
Income tax payable	802		156
Deferred tax liability	10,925		12,117
Total liabilities	708,522		667,276
Commitments and contingencies (Note 10)
Net Assets
Common stock, $0.25 par value: authorized, 75,000,000 shares at December 31, 2023 and 40,000,000 shares at March 31, 2023; issued, 42,981,139 shares at December 31, 2023 and 38,415,937 shares at March 31, 2023	10,745		9,604
Additional paid-in capital	751,411		646,586
Total distributable (loss) earnings	(41,191)		(41,845)
Treasury stock - at cost, no shares at December 31, 2023 and 2,339,512 shares at March 31, 2023	0		(23,937)
Total net assets	720,965		590,408
Total liabilities and net assets	$ 1,429,487		$ 1,257,684
Net asset value per share (in usd per share)	$ 16.77		$ 16.37
SBA Debentures
Liabilities
SBA Debentures (net of $3,919 and $3,670, respectively, of unamortized debt issuance costs)	$ 126,081		$ 116,330
January 2026 Notes
Liabilities
Notes	139,304		139,051
October 2026 Notes
Liabilities
Notes	147,884		147,263
August 2028 Notes
Liabilities
Notes	69,566		0
Non-control/Non-affiliate investments
Assets
Investments at fair value	1,124,887		966,627	[10],[11]
Affiliate investments
Assets
Investments at fair value	185,950		188,505	[10]
Control investments
Assets
Investments at fair value	$ 54,200		$ 51,256	[10],[12]

[1] All portfolio company headquarters are based in the United States, unless otherwise noted.

[2] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.

[3] Non-Control/Non-Affiliate investments are generally defined by the 1940 Act, as investments that are neither control investments nor affiliate investments. At December 31, 2023, the Company held $1,124.9 million of non-control/non-affiliate investments, which represented approximately 82.4% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 156.0%.

[4] Affiliate investments are generally defined by the 1940 Act as investments in which between 5% and 25% of the voting securities are owned and the investments are not classified as control investments. At December 31, 2023, the Company held $186.0 million of affiliate investments, which represented approximately 13.6% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 25.8%.

[5] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.

[6] Control investments are generally defined by the 1940 Act as investments in which more than 25% of the voting securities are owned. At December 31, 2023, the Company held $54.2 million of control investments, which represented approximately 4.0% of the Company’s investment assets were . The fair value of these investments as a percent of net assets is 7.5%.

[7] The Company's investment portfolio is comprised entirely of debt and equity securities of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the valuation committee comprised of certain officers of the Company (the "Valuation Committee") as the valuation designee of the Board of Directors (the "Valuation Designee") pursuant to Rule 2a-5 under the Investment Company Act of 1940, as amended (the “1940 Act”), using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements for further discussion.

[8] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.

[9] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.

[10] The Company's investment portfolio is comprised entirely of debt and equity securities of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the Board of Directors, using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements to our audited consolidated financial statements for further discussion.

[11] Non-Control/Non-Affiliate investments are generally defined by the Investment Company Act of 1940, as amended (the “1940 Act”), as investments that are neither control investments nor affiliate investments. At March 31, 2023, approximately 80.1% of the Company’s investment assets were non-control/non-affiliate investments. The fair value of these investments as a percent of net assets is 163.7%.

[12] Control investments are generally defined by the 1940 Act as investments in which more than 25% of the voting securities are owned. At March 31, 2023, approximately 4.2% of the Company’s investment assets were control investments. The fair value of these investments as a percent of net assets is 8.7%.