XML 56 R46.htm IDEA: XBRL DOCUMENT v3.4.0.3
Stock Option Plan - Stock Option Activity (Details) - $ / shares
 1 Months Ended 3 Months Ended
Mar. 31, 2016
Feb. 28, 2014
Mar. 31, 2016
Shares Available for Grant      
Beginning balance     2,559,499
Ending balance 3,051,750   3,051,750
Number of Options      
Beginning balance     784,136
Ending balance 1,787,386   1,787,386
2016 Plan      
Stock Option Plan      
Vesting period 4 years    
Maximum exercise term 10 years    
Exercise price of common stock of its fair value (as a percent) 100.00%    
Shares Available for Grant      
Beginning balance     2,559,499
Shares authorized for plan     1,496,001
Granted     (1,025,250)
Forfeited     21,500
Ending balance 3,051,750   3,051,750
Number of Options      
Beginning balance     784,136
Granted     1,025,250
Exercised     (500)
Forfeited     (21,500)
Ending balance 1,787,386   1,787,386
Weighted Average Exercise Price      
Beginning balance (in dollars per share)     $ 4.09
Granted (in dollars per share)     15.00
Exercised (in dollars per share)     0.28
Forfeited (in dollars per share)     14.71
Ending balance (in dollars per share) $ 10.22   $ 10.22
2014 Plan      
Stock Option Plan      
Vesting period   4 years  
Maximum exercise term   10 years  
Exercise price of common stock of its fair value (as a percent)   100.00%  
Maximum number of options that may be re-issued under the 2016 plan 1,136,229