CONSOLIDATED STATEMENTS OF CHANGES IN STOCKERS' EQUITY - USD ($) $ in Thousands	Preferred Class B [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2018	$ 1	$ 51	$ 63,579	$ (58,870)	$ 4,761
Preferred Stock, Shares Outstanding, Beginning Balance at Dec. 31, 2018	1,000
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2018		5,132,000
Issuance of Common Stock
Stock Issued During Period, Shares, New Issues		0
Net Income				(2,352)	(2,352)
Ending balance, value at Dec. 31, 2019	$ 1	$ 51	63,579	(61,222)	2,409
Preferred Stock, Shares Outstanding, Ending Balance at Dec. 31, 2019	1,000
Common Stock, Shares, Outstanding, Ending Balance at Dec. 31, 2019		5,132,000
Issuance of Common Stock
Stock Issued During Period, Shares, New Issues		0
Net Income				1,916	1,916
Ending balance, value at Dec. 31, 2020	$ 1	$ 51	63,579	(59,306)	$ 4,325
Preferred Stock, Shares Outstanding, Ending Balance at Dec. 31, 2020	1,000				1
Common Stock, Shares, Outstanding, Ending Balance at Dec. 31, 2020		5,132,000			5,131,934
Issuance of Common Stock
Stock Issued During Period, Shares, New Issues		0
Net Income				70	70
Ending balance, value at Dec. 31, 2021	$ 1	$ 51	$ 63,579	$ (59,236)	$ 4,395
Preferred Stock, Shares Outstanding, Ending Balance at Dec. 31, 2021	1,000				1
Common Stock, Shares, Outstanding, Ending Balance at Dec. 31, 2021		5,132,000			5,131,934