Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Series C Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Beginning balance, value at Dec. 31, 2019	$ 5	$ 4	$ 46,861	$ (45,063)	$ 1	$ 1,808
Beginning balance, shares at Dec. 31, 2019	4,829	3,960
Dividend on Class C Shares				(72)		(72)
Accumulated other comprehensive loss					(17)	(17)
Stock-based compensation – options and warrants			190			190
Subscribed common stock			440			440
Professional fees – restricted shares			354			354
Professional fees - restricted shares, shares		65
Other				14		14
Net (loss) income				(2,873)		(2,873)
Ending balance, value at Mar. 31, 2020	$ 5	$ 4	47,845	(47,994)	(16)	(156)
Ending balance, shares at Mar. 31, 2020	4,829	4,025
Beginning balance, value at Dec. 31, 2019	$ 5	$ 4	46,861	(45,063)	1	1,808
Beginning balance, shares at Dec. 31, 2019	4,829	3,960
Net (loss) income						(4,865)
Ending balance, value at Jun. 30, 2020	$ 2	$ 4	49,322	(50,040)	(13)	(725)
Ending balance, shares at Jun. 30, 2020	2,145	4,206
Beginning balance, value at Mar. 31, 2020	$ 5	$ 4	47,845	(47,994)	(16)	(156)
Beginning balance, shares at Mar. 31, 2020	4,829	4,025
Dividend on Class C Shares				(54)		(54)
Accumulated other comprehensive loss					3	3
Stock-based compensation – options and warrants			105			105
Subscribed common stock
Professional fees – restricted shares			547			547
Professional fees - restricted shares, shares		67
exercise of stock options and warrants
exercise of stock options and warrants, shares		34
Conversion agreements - preferred shares	$ (3)		3
Converion agreements - preferred shares, shares	(2,684)
Conversion agreements - debt			822			822
Subscribed common stock, shares		80
Net (loss) income				(1,992)		(1,992)
Ending balance, value at Jun. 30, 2020	$ 2	$ 4	49,322	(50,040)	(13)	(725)
Ending balance, shares at Jun. 30, 2020	2,145	4,206
Beginning balance, value at Dec. 31, 2020	$ 2	$ 5	51,842	(56,726)	(166)	(5,043)
Beginning balance, shares at Dec. 31, 2020	2,145	4,685
Dividend on Class C Shares				(31)		(31)
exercise of stock options and warrants			2			2
exercise of stock options and warrants, shares		6
ESPP Stock Issuance			1			1
Stock-based compensation – options, warrants, issuances			786			786
Stock and Warrant issued for services			188			188
Stock and Warrant issued for services, shares		25
Cumulative Translation Adjustment					105	105
Other				(4)		(4)
Net (loss) income				(3,343)		(3,343)
Ending balance, value at Mar. 31, 2021	$ 2	$ 5	52,819	(60,104)	(61)	(7,339)
Ending balance, shares at Mar. 31, 2021	2,145	4,716
Beginning balance, value at Dec. 31, 2020	$ 2	$ 5	51,842	(56,726)	(166)	(5,043)
Beginning balance, shares at Dec. 31, 2020	2,145	4,685
Net (loss) income						(5,853)
Ending balance, value at Jun. 30, 2021	$ 1	$ 5	54,117	(62,628)	(132)	(8,637)
Ending balance, shares at Jun. 30, 2021	745	5,052
Beginning balance, value at Mar. 31, 2021	$ 2	$ 5	52,819	(60,104)	(61)	(7,339)
Beginning balance, shares at Mar. 31, 2021	2,145	4,716
Dividend on Class C Shares				(14)		(14)
exercise of stock options and warrants			304			304
exercise of stock options and warrants, shares		240
ESPP Stock Issuance			4			4
ESPP Stock Issuance, shares		1
Stock-based compensation – options, warrants, issuances			786			786
Stock and Warrant issued for services
Cumulative Translation Adjustment					(71)	(71)
Conversion of Equity	$ (1)		1
Conversion of Equity, shares	(1,400)	70
Conversion of debt			203			203
Conversion of debt, shares		25
Net (loss) income				(2,510)		(2,510)
Ending balance, value at Jun. 30, 2021	$ 1	$ 5	$ 54,117	$ (62,628)	$ (132)	$ (8,637)
Ending balance, shares at Jun. 30, 2021	745	5,052