XML 114 R100.htm IDEA: XBRL DOCUMENT v3.19.1
Equity Instruments and Stock Based Compensation - Warrants (Details) - Warrant - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Warrant Activity and Other Data, Outstanding [Roll Forward]    
Outstanding, beginning balance (in shares) 894,000  
Granted (in shares) 0 0
Exercised (in shares) 0  
Forfeited (in shares) 0  
Expired (in shares) (298,000)  
Outstanding, ending balance (in shares) 596,000 894,000
Warrants exercisable (in shares) 596,000  
Warrant Activity and Other Data, Weighted Average Exercise Price [Abstract]    
Warrants outstanding, beginning balance (in usd per share) $ 16.77  
Granted (in usd per share) 0.00  
Exercised (in usd per share) 0.00  
Forfeited (in usd per share) 0.00  
Expired (in usd per share) 14.87  
Warrants outstanding, ending balance (in usd per share) 17.72 $ 16.77
Warrants exercisable (in usd per share) $ 17.72  
Warrants outstanding, Weighted Average Remaining Contractual Life (in years) 1 year 11 days  
Warrants exercisable, Weighted Average Remaining Contractual Life (in years) 1 year 11 days  
Warrants outstanding, Aggregate Intrinsic Value $ 0  
Warrants exercisable, Aggregate Intrinsic Value $ 0