Preferred Stock (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		12 Months Ended
	Jan. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Preferred stock, shares authorized			20,000,000	20,000,000
Preferred stock, par value			$ 0.001	$ 0.001
Series B Convertible Preferred Stock [Member]
Preferred stock, par value			$ 0.001	$ 0.001
Convertible preferred stock, shares issued			1,228,075	1,158,209
Preferred stock, shares outstanding			1,228,075	1,158,209
Preferred stock, stated value			$ 3.00
Series B Convertible Preferred Stock [Member]
Convertible preferred stock, shares issued in settlement			94,866	88,268
Additional shares of dividend		25,000
Preferred stock dividend rate			8.00%
Dividends declared			$ 284	$ 265
Series B Convertible Preferred Stock [Member] | Subsequent Event [Member] | Board-of-Directors [Member]
Convertible preferred stock, shares issued in settlement	24,198
Dividends declared	$ 73