Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
March 31, 2020 at Dec. 31, 2019	$ 10	$ 137,326	$ (119,739)	$ (13,764)	$ 3,833
Beginning Balance (in shares) at Dec. 31, 2019	10,586,170			1,015,493
Net income			(137)		(137)
Stock based compensation		12			12
Ending Balance (in shares) at Mar. 31, 2020	10,586,170			1,015,493
June 30, 2020 at Mar. 31, 2020	$ 10	137,338	(119,876)	$ (13,764)	3,708
March 31, 2020 at Dec. 31, 2019	$ 10	137,326	(119,739)	$ (13,764)	3,833
Beginning Balance (in shares) at Dec. 31, 2019	10,586,170			1,015,493
Net income					465
Ending Balance (in shares) at Jun. 30, 2020	10,586,170			1,015,493
June 30, 2020 at Jun. 30, 2020	$ 10	137,350	(119,274)	$ (13,764)	5,840
March 31, 2020 at Mar. 31, 2020	$ 10	137,338	(119,876)	$ (13,764)	3,708
Beginning Balance (in shares) at Mar. 31, 2020	10,586,170			1,015,493
Net income			602		602
Stock based compensation		12			12
Ending Balance (in shares) at Jun. 30, 2020	10,586,170			1,015,493
June 30, 2020 at Jun. 30, 2020	$ 10	137,350	(119,274)	$ (13,764)	5,840
March 31, 2020 at Dec. 31, 2020	$ 11	137,462	(117,793)	$ (13,764)	5,916
Beginning Balance (in shares) at Dec. 31, 2020	10,750,100			1,015,493
Net income			(666)		(666)
Stock based compensation		34			34
Issuance of shares – option exercises		62			62
Issuance of shares - stock offering (in shares)	77,250
Issuance of shares – restricted stock		49			49
Issuance of shares - restricted stock (in shares)	57,500
Ending Balance (in shares) at Mar. 31, 2021	10,884,850			1,015,493
June 30, 2020 at Mar. 31, 2021	$ 11	137,607	(118,459)	$ (13,764)	5,395
March 31, 2020 at Dec. 31, 2020	$ 11	137,462	(117,793)	$ (13,764)	5,916
Beginning Balance (in shares) at Dec. 31, 2020	10,750,100			1,015,493
Net income					(1,840)
Ending Balance (in shares) at Jun. 30, 2021	13,715,163			1,015,493
June 30, 2020 at Jun. 30, 2021	$ 14	154,240	(119,633)	$ (13,764)	20,857
March 31, 2020 at Mar. 31, 2021	$ 11	137,607	(118,459)	$ (13,764)	5,395
Beginning Balance (in shares) at Mar. 31, 2021	10,884,850			1,015,493
Net income			(1,174)		(1,174)
Stock based compensation		1,005			1,005
Issuance of shares – stock offering	$ 3	15,400			15,403
Issuance of shares - stock offering (in shares)	2,782.258
Issuance of shares – option exercises		21			21
Issuance of shares - stock offering (in shares)	27,650
Issuance of shares – restricted stock		207			207
Issuance of shares - restricted stock (in shares)	20,405
Ending Balance (in shares) at Jun. 30, 2021	13,715,163			1,015,493
June 30, 2020 at Jun. 30, 2021	$ 14	$ 154,240	$ (119,633)	$ (13,764)	$ 20,857