XML 45 R35.htm IDEA: XBRL DOCUMENT v3.5.0.2
Equity Financings and Warrants - Summary of Warrants by Year of Expiration (Details)
9 Months Ended
Sep. 30, 2016
$ / shares
shares
Class Of Warrant Or Right [Line Items]  
Number of Warrants | shares 3,718,022
Weighted Average Exercise Price | $ / shares $ 9.67
2016  
Class Of Warrant Or Right [Line Items]  
Year of Expiration 2016
Number of Warrants | shares 60,890
Weighted Average Exercise Price | $ / shares $ 87.39
2017  
Class Of Warrant Or Right [Line Items]  
Year of Expiration 2017
Number of Warrants | shares 24,124
Weighted Average Exercise Price | $ / shares $ 17.89
2018  
Class Of Warrant Or Right [Line Items]  
Year of Expiration 2018
Number of Warrants | shares 963,153
Weighted Average Exercise Price | $ / shares $ 11.77
2019  
Class Of Warrant Or Right [Line Items]  
Year of Expiration 2019
Number of Warrants | shares 224,323
Weighted Average Exercise Price | $ / shares $ 15.73
2020  
Class Of Warrant Or Right [Line Items]  
Year of Expiration 2020
Number of Warrants | shares 44,299
Weighted Average Exercise Price | $ / shares $ 15.96
2022  
Class Of Warrant Or Right [Line Items]  
Year of Expiration 2022
Number of Warrants | shares 2,401,233
Weighted Average Exercise Price | $ / shares $ 6.10