Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2018	Dec. 31, 2017
Common stock, shares authorized	100,000,000	100,000,000
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares issued	58,594,503	58,594,503
Common stock, shares outstanding	58,594,503	58,594,503
Series B Preferred Stock
Preferred stock, shares authorized	54,425	54,425
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares issued	83	83
Preferred stock, shares outstanding	83	83
Preferred stock, liquidation preference	$ 0.001	$ 0.001