Redeemable Convertible Preferred Stock (Details)		3 Months Ended		12 Months Ended	34 Months Ended
	Aug. 03, 2015	Mar. 31, 2016 USD ($) $ / shares	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2013 $ / shares shares
Class of Stock [Line Items]
Gain (loss) on remeasurement of conversion feature			$ 7,105,000
Fair value of Series B stock conversion liability			$ 19,425,000
Amount reclassified to Series B from APIC to adjust redemption value		$ (1,402,000)		$ (8,971,000)
Reverse stock split, description		1-for-50 (1:50) reverse stock split of its common stock, par value $0.01 per share
Conversion ratio of reverse stock split	50
Dividends payable		$ 368,000			$ 368,000
Series B Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized | shares						9,357,935
Preferred Stock, initial stated value per share | $ / shares						$ 1.40
Preferred Stock, par value per share | $ / shares						$ 0.01
Number of shares of common stock for which each Series B share can be converted		0.20
Preferred Stock dividend rate		10.00%
Redeemable convertible preferred stock dividends declared					$ 0
Trigger price per share for redemption and conversion features of embedded derivative | $ / shares		$ 7.00
Gain (loss) on remeasurement of conversion feature		$ 1,402,000
Amount reclassified to Series B from APIC to adjust redemption value		$ 1,402,000