Consolidated Statement of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Series A Convertible Preferred Stock [Member]	Series B Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Total
Balance at beginning at Dec. 31, 2019			$ 2	$ 61,815	$ (113)	$ (61,771)	$ (67)
Balance at beginning (in shares) at Dec. 31, 2019		0.85	2,232,112
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Fair value of stock option				217			217
Restricted Stock Awards				65			65
Common stock issued for services				8			8
Common stock issued for services (in shares)			1,333
Common stock issued in relation to Bridge Financing				66			66
Common stock issued in relation to Bridge Financing (in shares)			19,207
Beneficial Conversion feature in connection with convertible debt				650			650
Fair value of warrants issued in connection with convertible debt				1,063			1,063
Net loss						(1,092)	(1,092)
Balance at ending at Mar. 31, 2020			$ 2	63,884	(113)	(62,863)	910
Balance at ending (in shares) at Mar. 31, 2020		0.85	2,252,652
Balance at beginning at Dec. 31, 2020			$ 6	76,099	(113)	(67,673)	8,319
Balance at beginning (in shares) at Dec. 31, 2020		0.85	5,596,877
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Fair value of stock option				85			85
Restricted Stock Awards				215			215
Restricted Stock Awards (in shares)			10,000
Restricted Stock Units				128			128
Common stock issued for services				10			10
Common stock issued for services (in shares)			2,165
Common stock issued related to Public Offering			$ 1	8,446			8,447
Common stock issued related to Public Offering (in shares)			1,750,000
Net loss						(1,215)	(1,215)
Balance at ending at Mar. 31, 2021			$ 7	$ 84,983	$ (113)	$ (68,888)	$ 15,989
Balance at ending (in shares) at Mar. 31, 2021		0.85	7,359,042