Registration of securities issued in business combination transactions

Stock Based Compensation - Stock Awards, Forfeitures and Cancellations (Detail)

v3.6.0.2
Stock Based Compensation - Stock Awards, Forfeitures and Cancellations (Detail) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Aug. 02, 2016
Jul. 01, 2015
Oct. 17, 2014
Oct. 10, 2014
Jul. 01, 2014
Oct. 31, 2014
Sep. 30, 2016
Sep. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based compensation expense                 $ 701,000 $ 891,000  
Stock options exercised (in shares)             0 0 0 61,849  
Forfeited (in shares)             0 (6,250) (13,958) (427,969)  
Unvested options forfeited                 238,907    
Stock repurchased from former executive                 189,062    
Shares repurchased during period                   $ 1,445,000  
Repurchase of common stock             $ 3,000 $ 10,000 $ 11,000 566,000  
Employee Stock Option                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based compensation expense                 $ (41,000) (648,000)  
Restricted Stock                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based compensation expense                   (67,000)  
RSUs                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Unvested RSUs forfeited                 17,500    
2015 Incentive Compensation Program | Restricted Stock                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based compensation expense                 $ 79,000    
Non-employee Directors                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Cash award alternative   $ 35,000                  
Share-based compensation expense $ 210,000                    
Accrual of non-employee service based compensation             $ 175,000       $ 175,000
Stock options exercised (in shares)         2,734            
Non-employee Directors | Employee Stock Option                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based compensation expense   $ 35,000               264,000  
Non-employee Directors | Common Stock                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)         12,041            
Executives | 2015 Incentive Compensation Program | Restricted Stock                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)                 12,500    
Chairman of the Board | 2015 Incentive Compensation Program | Restricted Stock                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)                 6,250    
Former executive | 1998 Stock Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Forfeited (in shares)                 (189,062)    
Former executive office ownership, percent, more than       5.00%              
Stock repurchased from former executive       31,250   189,062          
Shares repurchased during period     $ 1,400,000                
Repurchase of common stock                 $ 462,000 $ 983,000  
Amount of withholding taxes                 $ 318,000    
Former executive | 1998 Stock Incentive Plan | Employee Stock Option                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock repurchased from former executive       189,062