Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Treasury Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	AOCI [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2020	$ (175)	$ 4	$ 133,591	$ (53,522)	$ 6,431		$ 86,329
Net income (loss)				(6,594)			(6,594)
Additional capital raise related expenses			(129)				(129)
Employee stock options			1,770				1,770
Unrealized (gains) losses on investments, net of taxes					230		230
Balance at Jun. 30, 2021	(175)	4	135,232	(60,116)	6,661		81,606
Balance at Mar. 31, 2021	(175)	4	133,854	(55,124)	7,073		85,632
Net income (loss)				(4,992)			(4,992)
Additional capital raise related expenses			(129)				(129)
Employee stock options			1,507				1,507
Unrealized (gains) losses on investments, net of taxes					(412)		(412)
Balance at Jun. 30, 2021	(175)	4	135,232	(60,116)	6,661		81,606
Balance at Dec. 31, 2021	(175)	4	138,452	(70,159)	2,634	$ 15,000	85,756
Net income (loss)				9,452			9,452
Employee stock options			386				386
Unrealized (gains) losses on investments, net of taxes					(28,511)		(28,511)
Noncontrolling interest						(2,587)	(2,587)
Balance at Jun. 30, 2022	(175)	4	138,838	(60,707)	(25,877)	12,413	64,496
Balance at Mar. 31, 2022	(175)	4	138,483	(69,973)	(7,581)	18,432	79,190
Net income (loss)				9,266			9,266
Employee stock options			355				355
Unrealized (gains) losses on investments, net of taxes					(18,296)		(18,296)
Noncontrolling interest						(6,019)	(6,019)
Balance at Jun. 30, 2022	$ (175)	$ 4	$ 138,838	$ (60,707)	$ (25,877)	$ 12,413	$ 64,496