Condensed Consolidated Statements of Stockholders' Equity (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
Balance at Dec. 31, 2017	$ 5	$ 37	$ 34,496	$ (230)	$ (35,555)		$ (1,247)
Balance, shares at Dec. 31, 2017	4,829	36,828
ASC 606						1,213	(1,213)
Board Issuances		$ 1	118				119
Board Issuances, shares		1,000
Dividend on Class C Shares						(48)	(48)
ESPP Stock Issuance			4				4
ESPP Stock Issuance, shares		45
Stock-based compensation - options and warrants			352				352
Stock Based Compensation		$ 2	207				209
Stock Based Compensation, shares		1,800
Debt Settlements
Net (loss) income					(949)		(949)
Balance at Mar. 31, 2018	$ 5	$ 40	35,177	(230)	(35,555)	216	(347)
Balance, shares at Mar. 31, 2018	4,829	39,673
Balance at Dec. 31, 2018	$ 5	$ 72	42,198	(230)	(39,752)	1	2,293
Balance, shares at Dec. 31, 2018	4,829	71,932
ASC 606
Dividend on Class C Shares					(47)		(47)
ESPP Stock Issuance			1				1
ESPP Stock Issuance, shares		2
Stock-based compensation - options and warrants			323				323
Stock redemption		$ (1)	(229)	230
Stock redemption, shares		(508)
Accumulated other Comprehensive Loss
Net (loss) income					(633)		(635)
Balance at Mar. 31, 2019	$ 5	$ 71	$ 42,291		$ (40,432)	$ 1	$ 1,936
Balance, shares at Mar. 31, 2019	4,829	71,426