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Income Taxes - Deferred tax assets (liabilities) (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Sep. 30, 2018
--- | --- | ---
Deferred tax assets: |  |
Pension | $ 1,378 | $ 1,390
Intangibles | 81 | 104
Other reserves and accruals | 291 | 451
Inventory reserves and other | 619 | 502
State credits, net of federal benefit | 380 | 380
Federal and state net operating loss carryforwards | 928 | 626
Foreign net operating loss carryforwards | 1,393 | 1,489
Foreign exchange on intercompany loan | 7 | 7
Depreciation and amortization | (232) | (396)
Gross deferred tax assets | 4,845 | 4,553
Less: valuation allowance | (2,899) | (2,658)
Realizable deferred tax asset | 1,946 | 1,895
Gross deferred tax liabilities | 0 | 0
Net deferred tax assets | $ 1,946 | $ 1,895

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