Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2016	Dec. 31, 2015
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, authorized	50,000,000	50,000,000
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized	100,000,000	100,000,000
Common stock, issued	3,228,612	2,539,859
Common stock, outstanding	3,228,600	2,539,847
Treasury stock, shares	12	12
Temporary equity, par value (in dollars per share)	$ 0.0001	$ 0.0001
Temporary equity, issued
Temporary equity, outstanding
Temporary equity, liquidation preference (in dollars per share)	$ 167	$ 167
Series A Preferred Stock [Member]
Preferred stock, par value (in dollars per share)
Preferred stock, authorized
Preferred stock, issued
Preferred stock, outstandig
Preferred stock, liquidation preference (in dollars per share)	$ 0.0001	$ 0.0001
Series C Preferred Stock [Member]
Preferred stock, par value (in dollars per share)
Preferred stock, issued
Preferred stock, outstandig
Preferred stock, liquidation preference (in dollars per share)	$ 0.0001	$ 0.0001
Series D Preferred Stock [Member]
Preferred stock, par value (in dollars per share)
Preferred stock, issued	4,725	4,725
Preferred stock, outstandig	4,725	4,725
Preferred stock, liquidation preference (in dollars per share)	$ 0.0001	$ 0.0001
Series D-1 Preferred Stock [Member]
Preferred stock, par value (in dollars per share)
Preferred stock, issued	834	834
Preferred stock, outstandig	834	834
Preferred stock, liquidation preference (in dollars per share)	$ 0.0001	$ 0.0001
Series F-1 Preferred Stock [Member]
Preferred stock, par value (in dollars per share)
Preferred stock, issued
Preferred stock, outstandig
Preferred stock, liquidation preference (in dollars per share)	$ 0.0001	$ 0.0001
Series H Preferred Stock [Member]
Preferred stock, par value (in dollars per share)
Preferred stock, issued		381,967
Preferred stock, outstandig		381,967
Preferred stock, liquidation preference (in dollars per share)	$ 83.50	$ 83.50
Series J Preferred Stock [Member]
Preferred stock, par value (in dollars per share)
Preferred stock, issued
Preferred stock, outstandig
Preferred stock, liquidation preference (in dollars per share)	$ 0.0001	$ 0.0001
Series K Preferred Stock [Member]
Preferred stock, par value (in dollars per share)
Preferred stock, issued		1,240
Preferred stock, outstandig		1,240
Preferred stock, liquidation preference (in dollars per share)	$ 0.0001	$ 1,000