Quarterly report pursuant to Section 13 or 15(d)

Litigation (Details)

v3.7.0.1
Litigation (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 15, 2016
May 09, 2016
May 09, 2016
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Obligation to issue common stock in settlement of litigation               $ 2,800
Class Action Lawsuit Alleging Violations Of Securities Laws By Former CEO [Member]                
Damages sought           $ 20,000    
Shares reserved for issuance in connection with class action lawsuit           300,000 300,000  
Settlement amount awarded $ 250           $ 250  
Advance insurance proceeds awarded           $ 1,250    
Claim Filed By Certain Investors In Connection With 2015 Private Financing Transaction [Member]                
Damages sought   $ 6,900            
Liabilities subject to compromise           500    
Class Action Suit Related To Former CEO [Member]                
Damages sought       $ 20,000        
Shares reserved for issuance in connection with class action lawsuit 300,000              
All Other Proofs of Claim [Member]                
Damages sought         $ 5,100      
Liabilities subject to compromise         4,500     4,500
PIPE Litigation Plaintiffs [Member]                
Damages sought           $ 6,900    
Shares reserved for issuance in connection with class action lawsuit   327,608 327,608       327,608  
Settlement amount awarded     $ 250       $ 250  
Settled Litigation [Member]                
Liabilities subject to compromise         500     500
Marek Biestek [Member]                
Shares reserved for issuance in connection with class action lawsuit           3,750    
Financial Reporting in Reorganization [Member]                
Liabilities subject to compromise         $ 5,400   $ 3,400 $ 5,400