Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock	Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Total
Balance at Dec. 31, 2019	$ 10	$ 28,158	$ (19,920)	$ (885)	$ 7,363
Balance (in Shares) at Dec. 31, 2019	9,766
Net income(loss)			(2,080)		(2,080)
Stock-based Compensation		118			118
Balance at Mar. 31, 2020	$ 10	28,276	(22,000)	(885)	5,401
Balance (in Shares) at Mar. 31, 2020	9,766
Net income(loss)			(1,194)		(1,194)
Stock-based Compensation		93			93
Balance at Jun. 30, 2020	$ 10	28,369	(23,194)	(885)	4,300
Balance (in Shares) at Jun. 30, 2020	9,766
Net income(loss)			(1,787)		(1,787)
Stock-based Compensation		98			98
Exercised stock options		3			3
Exercised stock options (in Shares)	16
Balance at Sep. 30, 2020	$ 10	28,470	(24,981)	(885)	2,614
Balance (in Shares) at Sep. 30, 2020	9,782
Balance at Dec. 31, 2020	$ 12	29,571	(27,394)	(952)	1,237
Balance (in Shares) at Dec. 31, 2020	11,558
Net income(loss)			(414)		(414)
Subordinated convertible debt discount		186			186
Stock-based Compensation		130			130
Conversion of convertible subordinated debt		101			101
Conversion of convertible subordinated debt (in Shares)	101
Stock awards for directors’ fees and employee compensation		261			261
Stock awards for directors’ fees and employee compensation (in Shares)	172
Exercised stock options		4			4
Exercised stock options (in Shares)	43
Balance at Mar. 31, 2021	$ 12	30,253	(27,808)	(952)	1,505
Balance (in Shares) at Mar. 31, 2021	11,874
Net income(loss)			1,626		1,626
Stock-based Compensation		159			159
Conversion of convertible subordinated debt		103			103
Conversion of convertible subordinated debt (in Shares)	104
Stock awards for directors’ fees and employee compensation		51			51
Stock awards for directors’ fees and employee compensation (in Shares)	35
Exercised stock options
Exercised stock options (in Shares)	4
Exercised stock warrants		46			46
Exercised stock warrants (in Shares)	65
Balance at Jun. 30, 2021	$ 12	30,612	(26,182)	(952)	3,490
Balance (in Shares) at Jun. 30, 2021	12,082
Net income(loss)			(201)		(201)
Stock-based Compensation		138			138
Stock issuances		257			257
Stock issuances (in Shares)	239
Stock awards for directors’ fees and employee compensation		50			50
Stock awards for directors’ fees and employee compensation (in Shares)	37
Exercised stock options		6			6
Exercised stock options (in Shares)	8
Exercised stock warrants		15			15
Exercised stock warrants (in Shares)	22
Balance at Sep. 30, 2021	$ 12	$ 31,078	$ (26,383)	$ (952)	$ 3,755
Balance (in Shares) at Sep. 30, 2021	12,388