Note 16 - Income Taxes (Tables)

12 Months Ended

Mar. 31, 2017

Notes Tables

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

	Year Ended March 31,
	2017		2016		2015
Domestic	$	7,997	$	9,030	$	3,390
International		20,903		14,459		27,040
Total	$	28,900	$	23,489	$	30,430

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

	Year Ended March 31,
	2017			2016		2015
Current:
Federal	$	406		$	1,418	$	201
State		(560	)		126		83
Foreign		4,532			3,436		5,066
Total current		4,378			4,980		5,350
Deferred:
Federal		1,867			3,554		945
State		1,256			189		20
Foreign		51			25		375
Total deferred		3,174			3,768		1,340
Total provision for income tax	$	7,552		$	8,748	$	6,690

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

	Year Ended March 31,
	2017			2016			2015
	(%)			(%)			(%)
Statutory federal income tax rate		35			35			35
State taxes, net of federal tax benefit		1			1			1
Expense (benefit) of lower-tax foreign jurisdictions		(17	)		(10	)		(15	)
Tax credits		(2	)		(3	)		(1	)
Valuation allowances		4			3			-
Permanent items		-			(5	)		-
Tax reserves		1			-			-
Tax asset write-off		2			10			-
Foreign income		2			6			2
Effective tax provision rate		26			37			22

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

	March 31,
	2017			2016
Deferred tax assets:
Reserves and allowances	$	5,504		$	6,018
Other liabilities and accruals		6,297			6,176
Depreciable assets		404			83
Net operating loss carryforwards		10,236			11,675
Share-based compensation		4,721			5,098
Credits carryforward		2,188			2,440
Total deferred tax assets		29,350			31,490
Less: Valuation allowances and other reserves		(4,611	)		(3,466	)
Net deferred tax assets	$	24,739		$	28,024

Summary of Income Tax Contingencies [Table Text Block]

Balance as of March 31, 2014	$	6,978
Lapse of statute of limitations		(3,070	)
Increases in balances related to tax positions taken during prior periods		213
Increases in balances related to tax positions taken during the current period		2,831
Balance as of March 31, 2015		6,952
Lapse of statute of limitations		(772	)
Increases in balances related to tax positions taken during prior periods		129
Increases in balances related to tax positions taken during the current period		637
Balance as of March 31, 2016		6,946
Lapse of statute of limitations		(1,461	)
Decreases in balances related to tax positions taken during prior periods		(63	)
Increases in balances related to tax positions taken during the current period		1,021
Balance as of March 31, 2017	$	6,443