Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details 5)

v3.7.0.1
Stockholders' Equity (Details 5) - Common Stock Warrants [Member] - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Outstanding at beginning 845,257 518,978
Issued 1,208,845 327,060
Exercised (15,625)  
Terminated (47,184) (781)
Outstanding at ending 1,991,293 845,257
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Outstanding at beginning $ 25.67 [1] $ 32.13
Issued 6.23 18.12
Exercised 5.00  
Terminated 14.77 320.00
Outstanding at ending $ 13.00 [2] $ 25.67 [1]
[1] The weighted-average exercise price reflects exercise price adjustments triggered by the 2015 PIPE.
[2] The weighted-average exercise price reflects exercise price adjustments triggered by the 2016 Purchase Agreement and the 2016 PIPE.