• Filing Date: 2018-05-10
  • Form Type: 10-Q
  • Description: Quarterly report
v3.8.0.1
Stock-based Compensation - Common Stock Options Activity (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Number of Shares    
Options outstanding, beginning balance (in shares) 542,102  
Options granted (in shares) 0  
Options exercised (in shares) 0  
Options forfeited (in shares) (303,102)  
Options expired (in shares) 0  
Options outstanding, ending balance (in shares) 239,000 542,102
Exercisable at end of period (in shares) 239,000  
Unvested at end of period (in shares) 0  
Weighted Average Exercise Price per Share    
Options outstanding, beginning balance (in dollars per share) $ 8.75  
Options granted (in dollars per share) 0.00  
Options exercised (in dollars per share) 0.00  
Options forfeited (in dollars per share) 10.18  
Options expired (in dollars per share) 0.00  
Options outstanding, ending balance (in dollars per share) 6.94 $ 8.75
Exercisable at end of period (in dollars per share) 6.94  
Unvested at end of period (in dollars per share) $ 0.00  
Weighted Average Remaining Contractual Term    
Options outstanding, weighted average remaining contractual term 2 years 68 days 1 year 3 months 30 days
Exercisable, weighted average remaining contractual term 2 years 68 days  
Aggregate Intrinsic Value    
Options outstanding, beginning balance $ 0.00  
Options outstanding, ending balance 0.00 $ 0.00
Unvested at end of period $ 0.00