Note 5 - Income Taxes (Tables)

12 Months Ended

Mar. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Fiscal Year Ended March 31,
	2014			2013			2012
Current:
Federal	$	1,064		$	(20,627	)	$	-
State		601			(1,124	)		-
Deferred		(503	)		-			283
	$	1,162		$	(21,751	)	$	283

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Fiscal Year Ended March 31,
	2014			2013			2012
Tax at federal statutory rate		35.0	%		35.0	%		35.0	%
State taxes, net of federal benefit		17.7			1.7			(0.9	)
Net non-deductible expenses		(0.6	)		-			(5.1	)
Non-deductible goodwill impairment charge		-			(9.1	)		-
Increase in valuation allowance		(0.9	)		(0.3	)		(46.4	)
Effective tax rate		51.2	%		27.3	%		(17.4	)%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	March 31,
	2014			2013
Deferred tax assets:
Stock-based compensation	$	2,553		$	2,209
Inventory reserve		844			567
Allowance for doubtful accounts		250			333
Accrued expenses		440			720
Net state operating loss carryforwards of acquired company		1,288			1,037
Capital leases		5,483			5,396
		10,858			10,262
Valuation allowance		(1,017	)		(1,037	)
Total deferred tax assets	$	9,841		$	9,225
Deferred tax liabilities:
Goodwill	$	8,127		$	6,356
Depreciation and amortization		6,995			7,874
Total deferred tax liabilities	$	15,122		$	14,230
Net deferred tax liability	$	5,281		$	5,005

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

Balance at March 31, 2012	$	21
Additions based on tax positions taken in the current and prior years		526
Balance at March 31, 2013	$	547
Additions based on tax positions taken in the current and prior years		340
Balance at March 31, 2014	$	887