Note 17 Income Taxes (Tables)

12 Months Ended

Mar. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

Income before income tax consists of the following (in thousands):
	Year Ended March 31,
	2014		2013		2012
Domestic	$	7,104	$	7,359	$	15,015
International		6,355		7,323		25,526
	$	13,459	$	14,682	$	40,541

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

Our provision for income taxes consists of the following (in thousands):
	Year Ended March 31,
Current:	2014		2013		2012
Federal	$	4,804	$	1,795	$	3,080
State		73		278		467
Foreign		3,087		2,466		4,992
		7,964		4,539		8,539
Deferred:
Federal		183		1,734		772
State		86		(102)		326
Foreign		(820)		863		598
		(551)		2,495		1,696
Total income tax provision	$	7,413	$	7,034	$	10,235

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

The reconciliation of our effective tax rate to the U.S. statutory federal income tax rate is as follows:
	Year Ended March 31,
	2014		2013		2012
		(%)		(%)		(%)
Statutory federal income tax rate		35		35		35
State taxes, net of federal tax benefit		1		1		2
Expense (benefit) of lower tax jurisdictions		-		-		(5)
Research and development tax credits		(1)		(4)		(1)
Valuation allowance		2		6		(4)
Permanent items		3		4		3
Tax reserves		2		3		(6)
Share-based compensation		-		2		1
Tax assessment		1		-		-
Foreign income		12		1		-
Effective tax provision rate		55		48		25

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

The significant components of net deferred income tax assets are as follows (in thousands):
				March 31,
				2014		2013
Deferred tax assets:
	Reserves and allowances			$	6,384	$	6,254
	Other liabilities and accruals				1,591		913
		Total short term deferred tax assets			7,975		7,167
	Other long term liabilities and accruals				2,973		2,583
	Depreciable assets				2,883		1,959
	Net operating loss carryforward				15,216		17,261
	Share-based compensation				4,777		4,431
	Credits carryforward				2,337		2,396
		Total long term deferred tax assets			28,186		28,630
			Total deferred tax assets		36,161		35,797
	Less: Valuation allowance and other reserves				(3,870)		(3,783)
			Net deferred tax asset	$	32,291	$	32,014

Summary of Income Tax Contingencies [Table Text Block]

The aggregate changes in the balance of gross unrecognized tax benefits were as follows (in thousands):
Balance as of March 31, 2011		$	8,785
	Lapse of statute of limitations and close of foreign audit		(3,555)
	Increases in balances related to tax positions taken during prior periods		285
	Increases in balances related to tax positions taken during the current period		803
Balance as of March 31, 2012			6,318
	Lapse of statute of limitations		(827)
	Increases in balances related to tax positions taken during prior periods		281
	Increases in balances related to tax positions taken during the current period		964
Balance as of March 31, 2013			6,736
	Lapse of statute of limitations		(941)
	Increases in balances related to tax positions taken during prior periods		499
	Increases in balances related to tax positions taken during the current period		684
Balance as of March 31, 2014		$	6,978