XML 40 R30.htm IDEA: XBRL DOCUMENT v3.5.0.2
Stock-Based Compensation and Stock Options and Awards - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2016
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Capitalized stock-based employee compensation cost   $ 0 $ 0 $ 0 $ 0
Tax benefit associated with stock-based compensation expense   0 $ 0    
Outstanding, aggregate intrinsic value   $ 2,200,000   $ 2,200,000  
Unvested Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted average period over which unrecognized compensation costs expected to be recognized       2 years 2 months 19 days  
Company retained purchase rights on unvested restricted stock awards, shares   157,000   157,000  
Unrecognized compensation expense   $ 456,000   $ 456,000  
Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Increasing in shares of common stock authorized for issuance       2,400,000  
Stock options exercised during the period       0  
Outstanding, aggregate intrinsic value   2,163,183   $ 2,163,183  
Unvested Stock Options and Stock Purchases [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized compensation expense related to unvested stock options and stock purchases   1,700,000   $ 1,700,000  
Weighted average period over which unrecognized compensation costs expected to be recognized       1 year 1 month 21 days  
Performance Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Outstanding, aggregate intrinsic value   $ 1,700,000   $ 1,700,000  
2005 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Plan expiration date       2015-03  
Increasing in shares of common stock authorized for issuance 2,400,000