Note 14 - Income Taxes (Tables)

12 Months Ended

Mar. 31, 2014

Income Tax Disclosure [Abstract]

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

	Years ended March 31,
	2014			2013			2012
Income (loss) before income taxes
United States	$	(7,759	)	$	(6,340	)	$	(9,978	)
International		180			117			-
	$	(7,579	)	$	(6,223	)	$	(9,978	)

	Years ended March 31,
	2014			2013			2012
Current
Federal	$	28		$	(112	)	$	(157	)
Foreign		54			35			-
State		91			110			66
Deferred		(2,432	)		(1,233	)		(2,620	)
Valuation allowance		2,549			12,899			13,835
Tax expense	$	290		$	11,699		$	11,124

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

	Years ended March 31,
	2014		2013		2012
Expected federal income tax at statutory rate	34.0	%	34.0	%	34.0	%
State income taxes, net of federal tax effect	0.5		0.4		0.7
Valuation allowance	(33.6	)	(207.1	)	(138.7	)
Permanent differences	(0.4	)	(7.6	)	(0.3	)
Return to provision	(1.5	)	(6.1	)	(8.2	)
Rate change	0.2		(0.1	)	-
Other	(3.0	)	(1.4	)	1.0
Effective tax rate (continuing operations)	(3.8	)%	(187.9	)%	(111.5	)%

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

	Years ended March 31,
	2014			2013
Deferred tax assets
Collectability reserves	$	158		$	1,389
Reserve for inventory write-off		606			474
Reserve for sales discounts		179			116
Accrued vacations		41			39
Inventory — uniform capitalization		273			132
Net operating loss carryforward		37,743			30,663
Stock based compensation		895			626
Book/tax intangibles amortization		-			-
Other		3,252			3,624
Total deferred tax assets		43,147			37,063
Deferred tax liabilities
Book/tax depreciation		(1,292	)		(2,899	)
Book/tax intangibles amortization		(3,672	)		(5,135	)
Net deferred tax assets (liabilities)		38,183			29,029
Valuation allowance		(39,462	)		(30,308	)
Total deferred tax asset (liability), net	$	(1,279	)	$	(1,279	)

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

	Years ended March 31,
	2014			2013
Income taxes payable, beginning of period	$	1,085		$	1,061
Gross increases related to prior year tax positions		139			123
Gross increases related to current year tax positions		41			41
Decrease related to statute of limitations lapses		(140	)		(140	)
Income taxes payable, end of period	$	1,125		$	1,085