Consolidated Statement of Stockholders' Equity (Deficit) - 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	$ 42,266	$ (230)	$ (39,753)	$ 1	$ 2,523
Beginning balance, shares at Dec. 31, 2018	4,829,000	3,597,000
Dividend on Class C Shares					146		146
ESPP Stock Issuance			1				1
ESPP Stock Issuance, shares
Stock-based compensation - options, warrants, issuances			1,267				1,267
Stock-based compensation - options, warrants, issuances, shares		78,000
Stock and warrant issuances, net of issuance costs		$ 1	3,406				3,407
Stock and warrant issuances, net of issuance costs, shares		833,000
Purchase price adjustment - shares to be received		$ (1)	1
Purchase price adjustment - shares to be received, shares		(555,000)
Stock redemption			(230)	230			(230)
Stock redemption, shares		(25,000)
Conversion of debt			150				150
Conversion of debt, shares		32,000
Net (loss)					(5,456)		(5,456)
Ending balance at Dec. 31, 2019	$ 5	$ 4	46,861		(45,063)	1	1,808
Ending balance, shares at Dec. 31, 2019	4,829,000	3,960,000
Dividend on Class C Shares					(191)		(191)
ESPP Stock Issuance			$ 1				$ 1
ESPP Stock Issuance, shares
Stock-based compensation - options, warrants, issuances			$ 2,012				$ 2,012
Stock-based compensation - options, warrants, issuances, shares
Stock and warrant issuance for services		$ 1	$ 1,639				$ 1,640
Stock and warrant issuance for services, shares		302,000
Stock and warrant issued for Acquisition			$ 504				$ 504
Stock and warrant issued for Acquisition, shares		80
Cumulative translation adjustment						(167)	(167)
Exercise of stock options and warrants
Exercise of stock options and warrants, shares		91,000
Conversion of Equity	$ (3)		3
Conversion of Equity, shares	(2,684,000)	134,000
Other					32		32
Conversion of debt			822				822
Conversion of debt, shares		118,000
Net (loss)					(11,504)		(11,504)
Ending balance at Dec. 31, 2020	$ 2	$ 5	$ 51,842		$ (56,726)	$ (166)	$ (5,043)
Ending balance, shares at Dec. 31, 2020	2,145,000	4,685,000