Income Taxes (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Deferred tax assets:
Net non-U.S. operating loss carryforwards	$ 592	$ 592
Employee benefits	1,755	3,219
Inventory reserves	521	412
Asset impairment reserve	27	288
Allowance for doubtful accounts	143	122
Foreign tax credits to undistributed earnings	1,932	1,841
Foreign tax credits	464	0
Other	64	43
Total deferred tax assets	5,498	6,517
Deferred tax liabilities:
Depreciation	(2,524)	(2,540)
Unremitted foreign earnings	(3,002)	(2,970)
Other	0	(8)
Total deferred tax liabilities	(5,526)	(5,518)
Net deferred tax assets (liabilities)	(28)	999
Valuation allowance	(718)	(579)
Net deferred tax assets (liabilities)	$ (746)	$ 420