Income Taxes

The provision for income taxes was comprised of the following:



	Years Ended September 30,
	2016		2015		2014
Current:
Federal	$	7,790	$	6,516	$	7,797
State	843		973		1,084
Foreign	88		210		213
Total current	8,721		7,699		9,094
Deferred:
Federal	446		220		69
State	100		48		24
Total deferred	546		268		93
	$	9,267	$	7,967	$	9,187

The differences between income taxes at the statutory federal income tax rate and income taxes reported in the Consolidated Statements of Comprehensive Income were as follows:



	Years Ended September 30,
	2016			2015			2014
Federal tax at statutory rate	$	9,774		$	8,133		$	8,777
State taxes, net of federal benefit	613			664			721
Non-deductible expenses	269			192			195
Manufacturing benefit	(847		)	(613		)	(586		)
Credit for increasing research activities	(439		)	(103		)	(30		)
Change in valuation allowance	—			(334		)	163
Other	(103		)	28			(53		)
	$	9,267		$	7,967		$	9,187

A summary of the composition of deferred income tax assets and liabilities was as follows:



	September 30,
	2016			2015
Current Deferred Income Tax Assets and Liabilities
Accounts receivable reserves	$	409		$	370
Inventory valuation adjustments	874			816
Accrued liabilities	(40		)	(19		)
	$	1,243		$	1,167
Non-Current Deferred Income Tax Assets
Goodwill and other intangible assets	$	2,264		$	3,376
Property, plant and equipment	1,725			1,372
Foreign net operating loss carryforwards	2,103			1,881
Foreign tax credit carryforwards	321			184
	6,413			6,813
Less valuation allowance	(2,103		)	(1,881		)
	$	4,310		$	4,932

As of September 30, 2016 and 2015, the Company had foreign net operating loss carryforwards of $8,988 and $8,038, respectively. If not used, loss carryforwards of $3,653 will expire between 2017 and 2026 while $5,335 do not expire. As of September 30, 2016 and 2015, full valuation allowances were recorded of $2,103 and $1,881, respectively, as the Company believed it was not likely it would be able to utilize the loss carryforwards.

As of September 30, 2014, the Company recorded a valuation allowance of $334 against its non-current deferred tax asset resulting from foreign tax credit carryforwards. As of September 30, 2015, the Company released this valuation allowance as the Company believed it would be able to utilize the credit carryforwards.

As of September 30, 2016 and 2015, the Company had no uncertain tax positions that required recognition or disclosure in its Consolidated Statements of Comprehensive Income.

The Company files income tax returns in the United States federal jurisdiction, various U.S. state jurisdictions and certain foreign jurisdictions. The Company is no longer subject to U.S. federal tax examinations for fiscal years before 2013. The Company is no longer subject to examination in any U.S. state jurisdiction or foreign jurisdiction for fiscal years prior to 2011.