XML 49 R39.htm IDEA: XBRL DOCUMENT v3.5.0.2
Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Mar. 31, 2016
Jun. 30, 2015
Sep. 30, 2016
Jun. 30, 2016
Jun. 30, 2015
2015 Omnibus Equity Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares available for future grants 6,800       6,800  
Common Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Employee stock purchase plan (ESPP), shares purchased/granted   14     14  
Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock vesting period         48 months  
Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock vesting period         12 months  
Restricted Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock, granted         1,400  
Weighted average grant date fair value         $ 0.68  
Cash payments of income taxes related to grants included in share-based compensation $ 0   $ 22,000   $ 0 $ 54,000
Employee Stock Purchase Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Employee stock purchase plan, grant date fair value   $ 0.50        
Employee Stock Purchase Plan [Member] | Scenario, Forecast [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Employee stock purchase plan, grant date fair value       $ 0.50