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Income Taxes (Tables)

12 Months Ended

Mar. 31, 2013

Income Tax Disclosure [Abstract]

Schedule of deferred tax assets and liabilities

		March 31,
		2013				2012
Deferred tax assets:
Bad debt and inventory reserves		$	31			$	26
Accrued expenses			608				535
Deferred stock compensation			244				331
Net operating loss carryforward			152				250
Deferred tax assets			1,035				1,142
Less: valuation allowance			-				-
Total deferred tax assets			1,035				1,142
Deferred tax liabilities:
Property and equipment			(221	)			(404	)
Total net deferred taxes		$	814			$	738

Schedule of components of the income tax provision

		Year Ended March 31,
		2013				2012				2011
Current taxes
Federal		$	9,588			$	9,138			$	11,007
State			913				870				1,052
Total current taxes			10,501				10,008				12,059
Deferred taxes
Federal			(329	)			(270	)			317
State			(31	)			(26	)			30
Total deferred taxes			(360	)			(296	)			347
Total provision for income taxes		$	10,141			$	9,712			$	12,406

Schedule of reconciliation of income tax provision

		Year Ended March 31,
		2013				2012				2011
Income taxes at U.S. statutory rates		$	9,557			$	9,230			$	11,647
State income taxes, net of federal tax benefit			562				540				714
Permanent differences			(74	)			(68	)			(64	)
Other			96				10				109
Total provision for income taxes		$	10,141			$	9,712			$	12,406

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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