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Accounts Payable and Accrued Expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Sep. 30, 2018
Payables and Accruals [Abstract]    
Accounts payable $ 13,495 $ 4,466
Commissions 359 312
Compensation and fringe benefits 992 1,836
Professional fees and shareholders' reporting costs 369 308
Taxes, other than income 353 313
Warranty 105 108
Other 502 1,934
Accounts Payable and Accrued Liabilities, Current, Total $ 16,175 $ 9,277