Redeemable Convertible Preferred Stock (Details)								3 Months Ended	6 Months Ended
	Aug. 07, 2015	Aug. 03, 2015	May. 11, 2015 USD ($) shares	May. 04, 2015 USD ($) shares	Apr. 08, 2015 USD ($) shares	Jun. 13, 2013 USD ($) $ / shares shares	Jun. 13, 2013 $ / shares shares	Jun. 30, 2015 USD ($) $ / shares	Jun. 30, 2015 USD ($) $ / shares
Class of Stock [Line Items]
Minimum proceeds from conversion of stock upon closing of offering						$ 7,000,000
Preferred Stock dividend rate									10.00%
Shares of common stock issued upon conversion of preferred stock | shares			50,000	4,717	21,420
Amount reclassified from Series B derivative liability into shareholders' equity			$ 381,000	$ 36,000	$ 219,000
Gain (loss) on remeasurement of conversion feature									$ 1,652,000
Amount reclassified to Series B redeemable convertible stock									$ (1,492,000)
Subsequent Event [Member]
Class of Stock [Line Items]
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	50
Series B Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized | shares						10,000,000	10,000,000
Preferred Stock, initial stated value per share | $ / shares						$ 1.40	$ 1.40
Preferred Stock, par value per share | $ / shares						$ 0.01	$ 0.01
Number of shares of common stock for which each Series B share can be converted							0.20
Preferred Stock, liquidation preference per share | $ / shares								$ 70.00	$ 70.00
Number of shares converted | shares			250,000	23,587	107,100
Gain (loss) on remeasurement of conversion feature								$ 8,757,000
Fair value of Series B stock conversion liability								$ 10,032,000	$ 10,032,000
Amount reclassified to Series B redeemable convertible stock									$ 1,492,000