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v3.5.0.2

Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Sep. 30, 2015
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Income Tax Disclosure [Abstract] |  |
Net operating loss | $ 10,453 | $ 9,877
Uniform capitalization and inventory | 1,596 | 1,895
Deferred compensation | 1,853 | 1,848
Stock-based compensation | 760 | 993
Reserve for accrued employee benefits | 1,679 | 1,482
Warranty accrual | 1,388 | 915
Goodwill | 345 | 398
Postretirement benefits liability | 503 |
Allowance for doubtful accounts | 220 | 166
Accrued legal | 294 | 60
Credit carryforwards | 1,292 | 1,329
Other | 171 | 8
Deferred tax assets | 20,554 | 18,971
Depreciation and amortization | (8,247) | (2,705)
Other |  | (12)
Deferred tax liabilities | (8,247) | (2,717)
Less: valuation allowance | (8,439) | (10,056)
Net deferred income tax asset | $ 3,868 | $ 6,198

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