Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Senior Unsecured Convertible Notes [Member] Non-affiliated Party [Member] Common Stock [Member]	Senior Unsecured Convertible Notes [Member] Non-affiliated Party [Member] Additional Paid-in Capital [Member]	Senior Unsecured Convertible Notes [Member] Non-affiliated Party [Member] Retained Earnings [Member]	Senior Unsecured Convertible Notes [Member] Non-affiliated Party [Member]	Senior Unsecured Convertible Notes [Member] Four Board Members [Member] Common Stock [Member]	Senior Unsecured Convertible Notes [Member] Four Board Members [Member] Additional Paid-in Capital [Member]	Senior Unsecured Convertible Notes [Member] Four Board Members [Member] Retained Earnings [Member]	Senior Unsecured Convertible Notes [Member] Four Board Members [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2020									30,610
Balance at Dec. 31, 2020									$ 306	$ 103,399	$ 81,555	$ 185,260
Stock-based compensation									0	567	0	567
Net loss									$ 0	0	(3,996)	(3,996)
Stock issued on vesting of RSUs (in shares)									4
Stock issued on vesting of RSUs									$ 0	0	0	0
Taxes paid on vesting of RSUs (in shares)									(1)
Taxes paid on vesting of RSUs									$ 0	(2)	0	(2)
Balance (in shares) at Jun. 30, 2021									30,613
Balance at Jun. 30, 2021									$ 306	103,964	77,559	181,829
Balance (in shares) at Mar. 31, 2021									30,613
Balance at Mar. 31, 2021									$ 306	103,679	80,523	184,508
Stock-based compensation									0	285	0	285
Net loss									$ 0	0	(2,964)	(2,964)
Balance (in shares) at Jun. 30, 2021									30,613
Balance at Jun. 30, 2021									$ 306	103,964	77,559	181,829
Balance (in shares) at Dec. 31, 2021									30,785
Balance at Dec. 31, 2021									$ 308	104,126	77,801	182,235
Stock-based compensation									0	108	0	108
Stock issued on redemption of convertible note (in shares)	232
Stock issued on redemption of convertible note	$ 2	$ 998	$ 0	$ 1,000
Stock issued on redemption of related party convertible notes					$ 20	$ 8,980	$ 0	$ 9,000
Net loss									$ 0	0	(13,520)	(13,520)
Balance (in shares) at Jun. 30, 2022									32,983
Balance at Jun. 30, 2022									$ 330	114,212	64,281	178,823
Balance (in shares) at Mar. 31, 2022									30,785
Balance at Mar. 31, 2022									$ 308	104,181	67,667	172,156
Stock-based compensation									0	53	0	53
Stock issued on redemption of convertible note (in shares)	232
Stock issued on redemption of convertible note	$ 2	$ 998	$ 0	$ 1,000
Stock issued on redemption of related party convertible notes					$ 20	$ 8,980	$ 0	$ 9,000
Net loss									$ 0	0	(3,386)	(3,386)
Balance (in shares) at Jun. 30, 2022									32,983
Balance at Jun. 30, 2022									$ 330	$ 114,212	$ 64,281	$ 178,823
Stock issued on redemption of related party convertible notes (in shares)					1,966