Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
December 31, 2020 at Dec. 31, 2019		$ 10	$ 137,326	$ (119,739)	$ (13,764)	$ 3,833
Beginning balance (in shares) at Dec. 31, 2019	0	10,586,170			1,015,493
Net loss				1,946		1,946
Stock based compensation			54			54
Issuance of shares – option exercises			83			83
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)		83,000
Issuance of shares – restricted stock		$ 1	(1)
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)		80,930
December 31, 2021 at Dec. 31, 2020		$ 11	137,462	(117,793)	$ (13,764)	5,916
Ending balance (in shares) at Dec. 31, 2020	0	10,750,100			1,015,493
Net loss				(5,261)		(5,261)
Stock based compensation			2,021			2,021
Issuance of shares – option exercises			102			102
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)		123,400
Issuance of shares – restricted stock			256			256
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)		232,331
Preferred dividends				(630)		(630)
Issuance of shares – preferred offering	$ 1		25,056			25,057
Stock Issued During Period, Shares, New Issues (in shares)	1,252,299	2,782,258
Issuance of shares – stock offering		$ 3	15,400			15,403
Stock issued during period, shares, new issues (in shares)	1,252,299	2,782,258
Issuance of shares – warrant exercises		$ 1	4,792			4,793
Issuance of shares warrant exercises (in shares)		581,610
Issuance of shares- Notes conversion			1,377			1,377
Issuance of shares note conversion (in shares)		150,000
Issuance of shares- termination shares			1,917			1,917
Issuance of shares termination shares (in shares)		150,000
Warrants issued in relation to debt financing			7,037			7,037
Share consideration of asset acquisition			33,000			33,000
December 31, 2021 at Dec. 31, 2021	$ 1	$ 15	$ 228,420	$ (123,684)	$ (13,764)	$ 90,988
Ending balance (in shares) at Dec. 31, 2021	1,252,299	14,769,699			1,015,493