Series C Convertible Preferred Stock (Details)				3 Months Ended	6 Months Ended
	Jun. 07, 2014 $ / shares	Jun. 04, 2014 $ / shares	Feb. 15, 2012 $ / shares	Jun. 30, 2015 USD ($) item employee $ / shares	Jun. 30, 2015 item $ / shares	Jun. 05, 2014 USD ($) $ / shares	May. 31, 2014 $ / shares	Feb. 29, 2012 shares	Jan. 31, 2012 shares
Class of Stock [Line Items]
Preferred stock, shares issued and sold | shares								3,000,000
Common stock purchase price using warrants						$ 8.00	$ 9.60
Adjusted common stock purchase price using warrants | $						$ 1.60
exercise price of warrants	$ 1.92	$ 9.60
Preferred stock, liquidation preference per share				$ 10.00	$ 10.00
Preferred Stock, Dividend Rate, Percentage				6.25%
Number of votes per share | item				0.78625	0.78625
Number of designated board of directors | employee				2
Percentage of common stock sold shares of outstanding shares				20.00%	20.00%
Transaction amount of equity securities by investors | $				$ 120,000
Series C Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares issued and sold | shares									3,000,000
Preferred stock, fixed annual amount of dividend per share			$ 0.625
Dividends unpaid and accrued | $				$ 3,400,000
Dividends unpaid and accrued per share				$ 1.150
Preferred Stock, Dividend Rate, Percentage					6.25%
Convertible preferred stock conversion price per share				$ 1.60	$ 1.60
Percentage of voting stock				34.00%	34.00%