XML 72 R47.htm IDEA: XBRL DOCUMENT v3.6.0.2
Stock Option Plan - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 20, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2008
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Number of shares available for future stock option grants, immediately prior to IPO   615,207 405,893 301,971 79,722  
Options vested pursuant to option acceleration   159,159        
Additional compensation expense   $ 1,312        
Share-based compensation expense from continuing operations   1,573 $ 2,384 $ 177    
Total intrinsic value of options exercised   543 1,655 513    
Total unrecognized compensation expense related to non-vested share based compensation   $ 4,896 $ 1,649      
Weighted average period for nonvested share recognition   1 year 11 months 27 days 2 years 3 months 18 days      
Continuing Operations            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Share-based compensation expense from continuing operations   $ 1,573 $ 1,974 168    
Non-employee share-based compensation expense from continuing operations   $ 0 $ 0 $ 9    
2008 Stock Plan            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Common stock shares reserved for future issuance           1,416,666
Additional awards to be granted under the plan 0          
Stock options vesting period   3 years        
Stock options expiration period   10 years        
2008 Stock Plan | Tranche One            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock options vesting percentage   33.33%        
2008 Stock Plan | Tranche Two            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock options vesting percentage   33.33%        
2008 Stock Plan | Tranche Three            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock options vesting percentage   33.33%        
2008 Stock Plan | Immediately Prior to IPO            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Number of shares available for future stock option grants, immediately prior to IPO 222,061          
2016 Stock Plan            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Common stock shares reserved for future issuance 833,333          
Number of shares available for future stock option grants, immediately prior to IPO   615,207        
Stock options vesting period   3 years        
Stock options expiration period   10 years        
2016 Stock Plan | Tranche One            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock options vesting percentage   33.33%        
2016 Stock Plan | Tranche Two            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock options vesting percentage   33.33%        
2016 Stock Plan | Tranche Three            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock options vesting percentage   33.33%