Annual report pursuant to Section 13 and 15(d)

Capitalization and Equity Structure (Details)

v3.6.0.2
Capitalization and Equity Structure (Details) - $ / shares
shares in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Schedule of Capitalization, Equity [Line Items]    
Merger/PPO Warrant Shares Outstanding 3,597 4,085
Merger/PPO Warrant Shares Exercised 488  
Placement agent warrants [Member]    
Schedule of Capitalization, Equity [Line Items]    
Exercise price $ 7.00  
Warrant term 5 years  
Merger/PPO Warrant Shares Outstanding 426 426
Merger/PPO Warrant Shares Exercised 0  
Bridge warrants [Member]    
Schedule of Capitalization, Equity [Line Items]    
Exercise price $ 7.00  
Warrant term 3 years  
Merger/PPO Warrant Shares Outstanding 371 371
Merger/PPO Warrant Shares Exercised 0  
PPO warrants [Member]    
Schedule of Capitalization, Equity [Line Items]    
Exercise price $ 14.00  
Warrant term 5 years  
Merger/PPO Warrant Shares Outstanding 1,078 1,078
Merger/PPO Warrant Shares Exercised 0  
Pre 2014 Warrants [Member]    
Schedule of Capitalization, Equity [Line Items]    
Exercise price $ 9.66  
Merger/PPO Warrant Shares Outstanding 88 88
Merger/PPO Warrant Shares Exercised 0  
2015 Warrants [Member]    
Schedule of Capitalization, Equity [Line Items]    
Exercise price $ 3.74  
Warrant term 5 years  
Merger/PPO Warrant Shares Outstanding 1,634 2,122
Merger/PPO Warrant Shares Exercised 488