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Income Taxes (Detail) - Deferred tax assets (liabilities) - USD ($)
$ in Thousands
Sep. 30, 2018
Sep. 30, 2017
Deferred tax assets:    
Pension $ 1,390 $ 1,609
Intangibles 104 219
Other reserves and accruals 451 630
Inventory reserves and other 502 563
State credits, net of federal benefit 380 318
Federal and state net operating loss carryforwards 626 52
Foreign net operating loss carryforwards 1,489 1,531
Foreign exchange on intercompany loan 7 (77)
Foreign tax credits 0 7
Depreciation and amortization (396) (177)
Gross deferred tax assets 4,553 4,675
Less: valuation allowance (2,658) (2,712)
Realizable deferred tax asset 1,895 1,963
Gross deferred tax liabilities 0 0
Net deferred tax assets $ 1,895 $ 1,963