CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Series B Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2019	$ 1	$ 51	$ 63,579	$ (61,222)	$ 2,409
Shares, Outstanding, Beginning Balance at Dec. 31, 2019	1	5,132
Net Income				1,948	1,948
Ending balance, value at Sep. 30, 2020	$ 1	$ 51	63,579	(59,274)	4,357
Shares, Outstanding, Ending Balance at Sep. 30, 2020	1	5,132
Beginning balance, value at Jun. 30, 2020	$ 1	$ 51	63,579	(61,456)	2,175
Shares, Outstanding, Beginning Balance at Jun. 30, 2020	1	5,132
Net Income				2,182	2,182
Ending balance, value at Sep. 30, 2020	$ 1	$ 51	63,579	(59,274)	4,357
Shares, Outstanding, Ending Balance at Sep. 30, 2020	1	5,132
Beginning balance, value at Dec. 31, 2020	$ 1	$ 51	63,579	(59,306)	4,325
Shares, Outstanding, Beginning Balance at Dec. 31, 2020	1	5,132
Net Income				120	120
Ending balance, value at Sep. 30, 2021	$ 1	$ 51	63,579	(59,186)	4,445
Shares, Outstanding, Ending Balance at Sep. 30, 2021	1	5,132
Beginning balance, value at Jun. 30, 2021	$ 1	$ 51	63,579	(59,178)	4,453
Shares, Outstanding, Beginning Balance at Jun. 30, 2021	1	5,132
Net Income				(8)	(8)
Ending balance, value at Sep. 30, 2021	$ 1	$ 51	$ 63,579	$ (59,186)	$ 4,445
Shares, Outstanding, Ending Balance at Sep. 30, 2021	1	5,132