• Filing Date: 2018-08-20
  • Form Type: 10-Q
  • Description: Quarterly report
v3.10.0.1
Stock-based Compensation - Common Stock Options Activity (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2018
USD ($)
$ / shares
shares
Dec. 31, 2017
USD ($)
$ / shares
shares
Number of Shares    
Options outstanding, beginning balance (in shares) | shares 542,102  
Options granted (in shares) | shares 0  
Options exercised (in shares) | shares 0  
Options forfeited (in shares) | shares (457,102)  
Options expired (in shares) | shares 0  
Options outstanding, ending balance (in shares) | shares 85,000 542,102
Exercisable at end of period (in shares) | shares 85,000  
Unvested at end of period (in shares) | shares 0  
Weighted Average Exercise Price per Share    
Options outstanding, beginning balance (in dollars per share) | $ / shares $ 8.75  
Options granted (in dollars per share) | $ / shares 0.00  
Options exercised (in dollars per share) | $ / shares 0.00  
Options forfeited (in dollars per share) | $ / shares 9.09  
Options expired (in dollars per share) | $ / shares 0.00  
Options outstanding, ending balance (in dollars per share) | $ / shares 6.94 $ 8.75
Exercisable at end of period (in dollars per share) | $ / shares 6.94  
Unvested at end of period (in dollars per share) | $ / shares $ 0.00  
Weighted Average Remaining Contractual Term    
Options outstanding, weighted average remaining contractual term 1 year 9 months 68 days 1 year 3 months 30 days
Exercisable, weighted average remaining contractual term 1 year 9 months 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