Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Series C Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Shares Repurchased [Member]	Accumulated Deficit [Member]	Other Comprehensive Income (Loss) [Member]	Total
Beginning balance at Dec. 31, 2018	$ 5	$ 4	$ 42,264	$ (230)	$ (39,752)	$ 1	$ 2,292
Beginning balance, shares at Dec. 31, 2018	4,829,000	3,597,000
Dividend on Class C Shares					(47)		(47)
ESPP Stock Issuance			1				1
Stock-based compensation - options, warrants, issuances			323				323
Stock redemption			(230)	230
Stock redemption, shares		(25,000)
Accumulated other comprehensive Loss
Net (loss) income					(633)		(633)
Ending balance at Mar. 31, 2019	$ 5	$ 4	42,358		(40,432)	1	1,936
Ending balance, shares at Mar. 31, 2019	4,829,000	3,572,000
Beginning balance at Dec. 31, 2018	$ 5	$ 4	42,264	(230)	(39,752)	1	2,292
Beginning balance, shares at Dec. 31, 2018	4,829,000	3,597,000
Foreign currency translation adjustment							12
Net (loss) income							(2,608)
Ending balance at Sep. 30, 2019	$ 5	$ 4	47,337		(42,177)	13	5,182
Ending balance, shares at Sep. 30, 2019	4,829,000	3,960,000
Beginning balance at Mar. 31, 2019	$ 5	$ 4	42,358		(40,432)	1	1,936
Beginning balance, shares at Mar. 31, 2019	4,829,000	3,572,000
Dividend on Class C Shares					(48)		(48)
ESPP Stock Issuance
ESPP Stock Issuance, shares		1,000
Stock-based compensation - options, warrants, issuances			100				100
Stock and warrant issuances, net of issuance costs		$ 1	4,058				4,059
Stock and warrant issuances, net of issuance costs, shares		832,000
Purchase price adjustment - shares to be received		$ (1)	1
Purchase price adjustment - shares to be received, shares		(555,000)
Net (loss) income					(530)		(530)
Ending balance at Jun. 30, 2019	$ 5	$ 4	46,517		(41,010)	1	5,517
Ending balance, shares at Jun. 30, 2019	4,829,000	3,850,000
Dividend on Class C Shares					276		276
ESPP Stock Issuance
ESPP Stock Issuance, shares
Stock-based compensation - options, warrants, issuances			670				670
Stock-based compensation - options, warrants, issuances, shares		78,000
Foreign currency translation adjustment						12	12
Conversion of debt			150				150
Conversion of debt, shares		32,000
Net (loss) income					(1,443)		(1,443)
Ending balance at Sep. 30, 2019	$ 5	$ 4	47,337		(42,177)	13	5,182
Ending balance, shares at Sep. 30, 2019	4,829,000	3,960,000
Beginning balance at Dec. 31, 2019	$ 5	$ 4	46,861		(45,063)	1	1,808
Beginning balance, shares at Dec. 31, 2019	4,829,000	3,960,000
Dividend on Class C Shares					(72)		(72)
Stock-based compensation - options, warrants, issuances			190				190
Accumulated other comprehensive Loss						(17)	(17)
Subscribed common stock			440				440
Subscribed common stock, shares
Professional fees - restricted shares			354				354
Professional fees - restricted shares, shares		65,000
Other misc. items					14		14
Net (loss) income					(2,873)		(2,873)
Ending balance at Mar. 31, 2020	$ 5	$ 4	47,845		(47,994)	(16)	(156)
Ending balance, shares at Mar. 31, 2020	4,829,000	4,025,000
Beginning balance at Dec. 31, 2019	$ 5	$ 4	46,861		(45,063)	1	1,808
Beginning balance, shares at Dec. 31, 2019	4,829,000	3,960,000
Foreign currency translation adjustment							(30)
Net (loss) income							(8,646)
Ending balance at Sep. 30, 2020	$ 2	$ 5	50,710		(53,849)	(29)	(3,161)
Ending balance, shares at Sep. 30, 2020	2,145,000	4,635,000
Beginning balance at Mar. 31, 2020	$ 5	$ 4	47,845		(47,994)	(16)	(156)
Beginning balance, shares at Mar. 31, 2020	4,829,000	4,025,000
Dividend on Class C Shares					(54)		(54)
Accumulated other comprehensive Loss						3	3
Subscribed common stock
Subscribed common stock, shares		80,000
Cashless exercise of stock options
Cashless exercise of stock options, shares		34,000
Conversion agreements - preferred shares	$ (3)		3
Conversion agreements - preferred shares, shares	(2,684,000)
Conversion agreements - debt			822				822
Stock-based compensation - options			105				105
Professional fees (including prepaid) - stock based			547				547
Professional fees (including prepaid) - stock based, shares		67,000
Net (loss) income					(1,992)		(1,992)
Ending balance at Jun. 30, 2020	$ 5	$ 4	49,322		(50,040)	(13)	(725)
Ending balance, shares at Jun. 30, 2020	2,145,000	4,206,000
Dividend on Class C Shares					(32)		(32)
Other misc. items					4		4
Conversion agreements - debt
Conversion agreements - debt, shares		252,000
Foreign currency translation adjustment						(16)	(16)
Employee stock-based compensation (options)			76				76
Options/warrants exercised
Options/warrants exercised, shares		57,000
Nonemployee stock-based compensation (warrants, grants)		$ 1	1,312				1,313
Nonemployee stock-based compensation (warrants, grants), shares		120,000
Net (loss) income					(3,781)		(3,781)
Ending balance at Sep. 30, 2020	$ 2	$ 5	$ 50,710		$ (53,849)	$ (29)	$ (3,161)
Ending balance, shares at Sep. 30, 2020	2,145,000	4,635,000