CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS (unaudited) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Increase (decrease) in net assets resulting from operations:
Net investment income		$ 10,461	$ 12,285	$ 7,149
Net realized gain (loss)		(126,046)	(9,639)	(9,749)
Net change in unrealized appreciation (depreciation) on investments		100,002	(12,921)	(29,356)
Net increase (decrease) in net assets resulting from operations		(15,583)	(10,275)	(31,956)
Distributions to stockholders:
Distributions	[1]	(13,023)	(9,743)	(13,349)
Total distributions to stockholders		(13,023)	(9,743)	(13,349)
Capital transactions:
Issuance of common stock, net		38,859	13,239	30,248
Fractional shares redeemed for cash in lieu of reverse stock split		0	0	0
Common stock distributed		0	1,720	7,783
Net increase (decrease) in net assets resulting from capital transactions		38,859	14,959	38,031
Total increase (decrease) in net assets		10,253	(5,059)	(7,274)
Net assets at beginning of period		74,556	79,615	86,889
Net assets at end of period		$ 84,809	$ 74,556	$ 79,615
Capital share activity
Shares outstanding at the beginning of the period	[2]	4,484,278	3,838,242	1,677,114
Issuance of common stock	[2]	3,117,684	566,239	1,793,658
Fractional shares redeemed for cash in lieu of reverse stock split	[2]	(4)	0
Common stock distributed	[2]	0	79,797	367,470
Shares outstanding at the end of the period	[2]	7,601,958	4,484,278	3,838,242

[1] Distributions were from distributable earnings for each of the periods presented.

[2] Share activity has been adjusted for the periods shown to reflect the six-for-one reverse stock split effected on February 28, 2022 on a retroactive basis as described in Note 2.