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Stock-Based Compensation - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2015
Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares granted 0 15,000  
Stock-based compensation expense   $ 12,000 $ 1,000
2015 Stock Incentive Compensation Plan [Member] | Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares to be issued under stock option plan 500,000 500,000  
Number of shares issued under stock option plan   0  
Maximum percentage of shares issued   15.00%  
2007 Incentive Award Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Period for recognition of stock based compensation cost   10 months  
2007 Incentive Award Plan [Member] | Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares granted   0  
Unrecognized compensation expense related to nonvested share-based compensation arrangements granted $ 8,000 $ 8,000