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Income Taxes (Detail) - Deferred tax assets (liabilities) - USD ($) $ in Thousands | Sep. 30, 2017 | Sep. 30, 2016
--- | --- | ---
Deferred tax assets: |  |
Pension | $ 2,470 | $ 2,896
Intangibles | 219 | 315
Other reserves and accruals | 633 | 671
Inventory reserves and other | 563 | 470
State credits, net of federal benefit | 318 | 313
Federal and state net operating loss carryforwards | 52 | 61
Foreign net operating loss carryforwards | 1,531 | 1,704
Foreign exchange on intercompany loan | (77) | 0
Foreign tax credits | 7 | 7
Depreciation and amortization | (177) | (203)
Gross deferred tax assets | 5,539 | 6,234
Less: valuation allowance | (2,712) | (3,180)
Realizable deferred tax asset | 2,827 | 3,054
Gross deferred tax liabilities | 0 | 0
Net deferred tax assets | $ 2,827 | $ 3,054

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