CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current Assets:
Accounts receivable, net of allowance for doubtful accounts	$ 16	$ 1
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	93,147,822	91,853,499
Common stock, shares outstanding	93,141,118	91,846,795
Treasury stock, shares	6,704	6,704
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
Series E Preferred Stock [Member]
Shareholders' deficit:
Preferred stock, Par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	12,000	12,000
Preferred stock, shares issued	12,000	12,000
Preferred stock, shares outstanding	12,000	12,000
Preferred stock, liquidation preference	$ 12,000	$ 12,000
Series F Preferred Stock [Member]
Shareholders' deficit:
Preferred stock, Par value	$ .01	$ 0.01
Preferred stock, shares authorized	2,000	2,000
Preferred stock, shares issued	2,000	2,000
Preferred stock, shares outstanding	2,000	2,000
Preferred stock, liquidation preference	$ 2,000	$ 2,000
Series G Preferred Stock [Member]
Shareholders' deficit:
Preferred stock, Par value	$ .01	$ 0.01
Preferred stock, shares authorized	6,120	6,120
Preferred stock, shares issued	6,021	6,021
Preferred stock, shares outstanding	6,021	6,021
Preferred stock, liquidation preference	$ 6,021	$ 6,021