CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current Assets:
Accounts receivable, net of allowance for doubtful accounts	$ 15	$ 15
Shareholders' deficit:
Preferred stock, shares authorized	4,000,000	4,000,000
Common stock, par value	$ .01	$ 0.01
Common stock, shares authorised	150,000,000	150,000,000
Common stock, shares issued	96,724,430	94,174,540
Common stock, shares outstanding	96,717,726	94,167,836
Treasury stock, shares	6,704	6,704
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	31,021
Preferred stock, shares outstanding	37,467	31,021
Preferred stock, liquidation preference	$ 37,467	$ 31,021
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	239,400	239,400
Preferred stock, shares outstanding	239,400	239,400
Preferred stock, liquidation preference	$ 620	$ 607
Mezzanine Preferred Stock [Member]
Shareholders' deficit:
Preferred stock, Par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000	0
Preferred stock, shares issued	1,000	0
Preferred stock, shares outstanding	1,000	0
Preferred stock, liquidation preference	$ 10,000	$ 0