Note 13 - Income Taxes (Tables)

12 Months Ended

Mar. 31, 2021

Notes Tables

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

	Fiscal years ended March 31,
	2021			2020
Income/(Loss) before income tax expense:
U.S.	$	(26,721	)	$	(18,260	)
Foreign		3,211			1,359
Total	$	(23,510	)	$	(16,901	)

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

	Fiscal years ended March 31,
	2021			2020
Current
Federal	$	191		$	1,814
Foreign		198			95
Total current		389			1,909
Deferred
Federal		(1,602	)		(1,524	)
Foreign		381			(190	)
Total deferred		(1,221	)		(1,714	)
Income tax (benefit) expense	$	(832	)	$	195

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

	Fiscal years ended March 31,
	2021			2020
Statutory federal income tax rate		(21	)%		(21	)%
Foreign income tax rate differential		(20	)		2
True-up of NOLs		36			1
GILTI		3			1
Other		(1	)		(6	)
Valuation allowance		(1	)		24
Effective income tax rate		(4	)%		1	%

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

	March 31, 2021			March 31, 2020
Deferred tax assets:
Net operating loss carryforwards	$	184,455		$	195,504
Research and development and other tax credit carryforwards		13,280			13,244
Accruals and reserves		5,416			5,352
Fixed assets and intangible assets		1,414			1,697
Other		1,149			1,565
Gross deferred tax assets		205,714			217,362
Valuation allowance		(200,081	)		(199,989	)
Total deferred tax assets		5,633			17,373
Deferred tax liabilities:
Intercompany Debt		(4,205	)		(14,365	)
Other		(479	)		(1,637	)
Total deferred tax liabilities		(4,684	)		(16,002	)
Net deferred tax assets	$	949		$	1,371