Condensed Consolidated Statements of Stockholder's Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2020	$ 39,765	$ 53	$ 45,477	$ (5,185)	$ (580)
Balance (in shares) at Dec. 31, 2020		5,272,204
Net income (loss)	27			27
Stock-based compensation	78		78
Balance at Mar. 31, 2021	39,870	$ 53	45,555	(5,158)	(580)
Balance (in shares) at Mar. 31, 2021		5,272,204
Balance at Dec. 31, 2020	39,765	$ 53	45,477	(5,185)	(580)
Balance (in shares) at Dec. 31, 2020		5,272,204
Net income (loss)	31,789
Balance at Sep. 30, 2021	71,701	$ 53	45,624	26,604	(580)
Balance (in shares) at Sep. 30, 2021		5,280,204
Balance at Mar. 31, 2021	39,870	$ 53	45,555	(5,158)	(580)
Balance (in shares) at Mar. 31, 2021		5,272,204
Net income (loss)	(18)			(18)
Stock-based compensation	19		19
Balance at Jun. 30, 2021	39,871	$ 53	45,574	(5,176)	(580)
Balance (in shares) at Jun. 30, 2021		5,272,204
Net income (loss)	31,780			31,780
Exercise of stock options	31		31
Exercise of stock options (in shares)		8,000
Stock-based compensation	19		19
Balance at Sep. 30, 2021	71,701	$ 53	45,624	26,604	(580)
Balance (in shares) at Sep. 30, 2021		5,280,204
Balance at Dec. 31, 2021	$ 54,743	$ 53	45,817	9,453	(580)
Balance (in shares) at Dec. 31, 2021	5,308,973	5,308,973
Net income (loss)	$ 169			169
Stock-based compensation	233		233
Stock-based compensation (in shares)		15,000
Balance at Mar. 31, 2022	55,145	$ 53	46,050	9,622	(580)
Balance (in shares) at Mar. 31, 2022		5,323,973
Balance at Dec. 31, 2021	$ 54,743	$ 53	45,817	9,453	(580)
Balance (in shares) at Dec. 31, 2021	5,308,973	5,308,973
Net income (loss)	$ (3,088)
Balance at Sep. 30, 2022	$ 52,179	$ 53	46,341	6,365	(580)
Balance (in shares) at Sep. 30, 2022	5,349,187	5,349,187
Balance at Mar. 31, 2022	$ 55,145	$ 53	46,050	9,622	(580)
Balance (in shares) at Mar. 31, 2022		5,323,973
Net income (loss)	(1,798)			(1,798)
Stock-based compensation	70		70
Stock-based compensation (in shares)		15,000
Shares withheld to pay taxes	(50)		(50)
Shares withheld to pay taxes (in shares)		(4,786)
Balance at Jun. 30, 2022	53,367	$ 53	46,070	7,824	(580)
Balance (in shares) at Jun. 30, 2022		5,334,187
Net income (loss)	(1,459)			(1,459)
Exercise of stock options	191		191
Exercise of stock options (in shares)		15,000
Stock-based compensation	80		80
Balance at Sep. 30, 2022	$ 52,179	$ 53	$ 46,341	$ 6,365	$ (580)
Balance (in shares) at Sep. 30, 2022	5,349,187	5,349,187