Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Common Stock	Additional paid in capital	(Accumulated Deficit)	Total
Balance at Dec. 31, 2017	$ 28	$ 30,555	$ (26,231)	$ 4,352
Balance, Shares at Dec. 31, 2017	2,752,742
Common stock issued as dividend
Common stock issued as dividend, Shares	45,856
Issuance of warrants with debt extension		809		809
Shares issued upon conversion of preferred stock		125		125
Shares issued upon conversion of preferred stock, Shares	16,339
Shares issued upon conversion of preferred stock in public offering	$ 18	1,784		1,802
Shares issued upon conversion of preferred stock in public offering, Share	1,846,928
Shares issued upon conversion of promissory notes in public offering	$ 20	10,031		10,051
Shares issued upon conversion of promissory notes in public offering, Shares	2,039,152
Stock-based compensation		383		383
Vesting of performance shares granted to CEO	$ 29	8,890		8,919
Vesting of performance shares granted to CEO Shares	2,857,142
Net income (loss)			(10,620)	(10,620)
Balance at Dec. 31, 2018	$ 97	53,575	(36,851)	16,821
Balance, Shares at Dec. 31, 2018	9,724,826
Adjustment due to adoption of ASU 2016-02 (Topic 842, Leases)			171	171
Shares issued for services		30		30
Shares issued for services, Shares	17,960
Shares issued to directors as compensation	$ 1	62		63
Shares issued to directors as compensation, Shares	31,760
Stock-based compensation		135		135
Vesting of performance shares granted to CEO		250		250
Net income (loss)			1,038	1,038
Balance at Dec. 31, 2019	$ 98	$ 54,052	$ (35,642)	$ 18,508
Balance, Shares at Dec. 31, 2019	9,774,546