Note 13 - Income Taxes (Tables)

12 Months Ended

Mar. 28, 2020

Notes Tables

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

Fiscal years ended (in thousands)	March 28, 2020			March 30, 2019
Current
Federal	$	-		$	-
State		2			42
		2			42
Deferred
Federal		123			2
State		40			39
		163			41
Change in liability for uncertain tax positions		(9	)		1
Change in valuation allowance		(154	)		(42	)
Provision for income taxes	$	2		$	42

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

Fiscal years ended	March 28, 2020			March 30, 2019
(in thousands)
Net operating loss carryforwards	$	11,568		$	11,365
Income tax credits		365			349
Inventory reserves and additional costs capitalized		865			795
Fixed asset depreciation		23			17
Accrued vacation		55			49
Accrued bonuses		-			64
Accrued warranty		9			29
Accrued commissions		36			71
Deferred rent		-			21
Allowance for doubtful accounts		2			2
Non-qualified stock options		91			81
Unrealized warrant gain		(33	)		(33	)
State tax benefit		(8	)		9
Total deferred tax assets		12,973			12,819
Valuation allowances		(12,973	)		(12,819	)
	$	-		$	-

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

Year Ended (in thousands except percentages)
	March 28, 2020					March 30,2019
Statutory federal income tax (benefit)	$	(164	)	21.0	%	$	(210	)	21.0	%
Valuation allowance		154		(19.8	)		(42	)	4.2
State income tax, net of federal benefit		(54	)	6.9			(70	)	7.0
Net operating loss expiration		-		0			39		(3.9	)
Non tax-deductible expenses		81		(10.4	)		(15	)	1.5
Tax credits generated		(18	)	2.3			(2	)	0.2
Adoption of ASC 606 adjustment		-		0			329		(32.9	)
Other		3		(0.5	)		13		(1.3	)
Effective income tax	$	2		(0.5	%)	$	42		(4.2	%)

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

	Fiscal Year 2020		Fiscal Year 2019
Balance as of beginning of year	$	123,000	$	122,000
Increase based on current year tax positions		9,000		1,000
Reductions for prior year tax positions		-		-
Balance as of end of year	$	132,000	$	123,000