XML 80 R67.htm IDEA: XBRL DOCUMENT v3.6.0.2
Stock-Based Compensation - Summary of Outstanding Stock Options by Exercise Price Range (Detail) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
$ 1.58 - $6.58    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Options (in shares) 531,500  
Weighted- Average Remaining Contractual Life (in years) 6 years 11 months  
Weighted- Average Exercise Price (in dollars per share) $ 3.70  
Number of Options (in shares) 531,500  
Weighted- Average Exercise Price (in dollars per share) $ 3.70  
$ 1.58 - $6.58 | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   $ 1.58
$ 1.58 - $6.58 | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   6.58
$ 6.59 - $11.59    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Options (in shares) 367,250  
Weighted- Average Remaining Contractual Life (in years) 2 years 7 months  
Weighted- Average Exercise Price (in dollars per share) $ 9.73  
Number of Options (in shares) 367,250  
Weighted- Average Exercise Price (in dollars per share) $ 9.73  
$ 6.59 - $11.59 | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   6.59
$ 6.59 - $11.59 | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   11.59
$11.60 - $16.60    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Options (in shares) 20,000  
Weighted- Average Remaining Contractual Life (in years) 1 year 7 months  
Weighted- Average Exercise Price (in dollars per share) $ 15.42  
Number of Options (in shares) 20,000  
Weighted- Average Exercise Price (in dollars per share) $ 15.42  
$11.60 - $16.60 | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   11.60
$11.60 - $16.60 | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   16.60
$16.70 - $21.70    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Options (in shares) 15,000  
Weighted- Average Remaining Contractual Life (in years) 1 year 2 months  
Weighted- Average Exercise Price (in dollars per share) $ 17.82  
Number of Options (in shares) 15,000  
Weighted- Average Exercise Price (in dollars per share) $ 17.82  
$16.70 - $21.70 | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   16.70
$16.70 - $21.70 | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   21.70
$21.80 - $26.80    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Options (in shares) 106,000  
Weighted- Average Remaining Contractual Life (in years) 11 months  
Weighted- Average Exercise Price (in dollars per share) $ 24.56  
Number of Options (in shares) 106,000  
Weighted- Average Exercise Price (in dollars per share) $ 24.56  
$21.80 - $26.80 | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   21.80
$21.80 - $26.80 | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   26.80
$ 1.58 - $26.80    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Options (in shares) 1,039,750  
Weighted- Average Remaining Contractual Life (in years) 4 years 7 months  
Weighted- Average Exercise Price (in dollars per share) $ 8.39  
Number of Options (in shares) 1,039,750  
Weighted- Average Exercise Price (in dollars per share) $ 8.39  
$ 1.58 - $26.80 | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   1.58
$ 1.58 - $26.80 | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices (in dollars per share)   $ 26.80