Annual report pursuant to Section 13 and 15(d)

Other Liabilities (Details)

v3.10.0.1
Other Liabilities (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 4 Months Ended 12 Months Ended
Sep. 30, 2018
item
$ / shares
shares
Dec. 31, 2018
USD ($)
$ / shares
Dec. 31, 2018
USD ($)
$ / shares
Dec. 31, 2016
USD ($)
$ / shares
Dec. 31, 2017
$ / shares
Dec. 31, 2015
$ / shares
Other Liabilities            
Exercise price   $ 1.00 $ 1.00 $ 1.02 $ 0.97 $ 1.71
Warrants mark to market adjustment | $     $ 581 $ 36    
Warrants            
Other Liabilities            
Number of securities called by each warrant | shares 0.5          
Warrants sold | shares 13,062,878          
Sale price (per warrant) $ 0.01          
Exercise price 1.00          
Initial warrant liability (per share) $ 2.212          
Number of warrants redeemable shares | item 2          
Warrants mark to market adjustment | $   $ 581        
Minimum | Warrants            
Other Liabilities            
Volatility rate (as percentage)   55.20%        
Risk-free interest rate (as percentage)   1.90%        
Maximum | Warrants            
Other Liabilities            
Volatility rate (as percentage)   56.60%        
Risk-free interest rate (as percentage)   2.20%