Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Accounts receivable, allowance	$ 17,000	$ 22,000
Stockholders' deficit
Common Stock, par value	$ 0.01	$ 0.01
Common Stock, shares authorized	1,500,000,000	1,500,000,000
Common Stock, shares issued	232,560,000	232,560,000
Common Stock, shares outstanding	232,560,000	232,560,000
Treasury shares	6,500,000	6,500,000
Series A-1 Preferred Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	1,052,000	1,031,000
Preferred stock, shares outstanding	1,052,000	1,031,000
Preferred stock, liquidation preference	1,052,000
Series B Preferred Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	14,000,000	14,000,000
Preferred stock, shares issued	11,377,000	11,102,000
Preferred stock, shares outstanding	11,377,000	11,102,000
Preferred stock, liquidation preference	17,066,000
Series C Preferred Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	9,000,000	9,000,000
Preferred stock, shares issued	4,619,000	4,508,000
Preferred stock, shares outstanding	4,619,000	4,508,000
Preferred stock, liquidation preference	6,929,000
Series D-1 Preferred Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	6,000,000	6,000,000
Preferred stock, shares issued	4,302,000	3,415,000
Preferred stock, shares outstanding	4,302,000	3,415,000
Preferred stock, liquidation preference	4,302,000
Series D-2 Preferred Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	9,000,000	9,000,000
Preferred stock, shares issued	5,303,000	4,783,000
Preferred stock, shares outstanding	5,303,000	4,783,000
Preferred stock, liquidation preference	$ 5,303,000