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Accounts Payable and Accrued Expenses (Detail) - Accounts payable and accrued expenses consist of the following - USD ($)
$ in Thousands
Sep. 30, 2016
Sep. 30, 2015
Payables and Accruals [Abstract]    
Accounts payable $ 7,511 $ 10,559
Commissions 269 248
Compensation and fringe benefits 2,139 1,426
Professional fees and shareholders' reporting costs 594 499
Taxes, other than income 353 25
Warranty 131 125
Other 935 894
Accounts payable and accrued expenses $ 11,932 $ 13,776