Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	40,175,002	4,234,923
Common stock, shares outstanding	40,175,001	4,234,922
Treasury stock, shares	1	1
Accumulated deficit reclassified to additional paid in capital in quasi-reorganization	$ 2,442	$ 2,442
Series 4 Convertible Preferred Stock
Preferred stock, shares authorized	10,415	10,415
Preferred stock, shares issued	1	1
Preferred stock, shares outstanding	1	1
Series 5 Convertible Preferred Stock
Preferred stock, shares authorized	12,000	12,000
Preferred stock, shares issued	126	126
Preferred stock, shares outstanding	126	126