CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current Assets:
Accounts receivable, net of allowance for doubtful accounts	$ 7	$ 0
Shareholders' deficit:
Preferred stock, shares authorized	4,000,000	4,000,000
Common stock, par value	$ .01	$ 0.01
Common stock, shares authorized	175,000,000	175,000,000
Common stock, shares issued	106,552,389	98,230,336
Common stock, shares outstanding	106,552,389	98,223,632
Treasury stock, shares	6,704	6,704
Mezzanine Preferred Stock [Member]
Shareholders' deficit:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000	1,000
Preferred stock, shares issued	1,000	1,000
Preferred stock, shares outstanding	1,000	1,000
Preferred stock, liquidation preference	$ 10,000	$ 10,000
Series A Preferred Stock [Member]
Shareholders' deficit:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	38,000	38,000
Preferred stock, shares issued	37,467	37,467
Preferred stock, shares outstanding	37,467	37,467
Preferred stock, liquidation preference	$ 37,467	$ 37,467
Series B Preferred Stock [Member]
Shareholders' deficit:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	750,000	750,000
Preferred stock, shares issued	389,400	389,400
Preferred stock, shares outstanding	239,400	239,400
Preferred stock, liquidation preference	$ 607	$ 607