Note 14 - Shared-based Compensation and Employee Benefits Plans (Tables)

12 Months Ended

Mar. 28, 2020

Notes Tables

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Fiscal years ended	March 28, 2020			March 30, 2019
Dividend yield		—			—
Expected volatility		105	%		96	%
Risk-free interest rate		2.21	%		2.79	%
Expected term (years)		8.35			8.35

Share-based Payment Arrangement, Option, Activity [Table Text Block]

(Dollars in thousands except share prices)	Shares			Weighted Average Exercise Price per share		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Outstanding at March 31, 2018		98,580		$	8.40		8.0	$	—
Granted		100,267			4.65		9.6
Forfeited / Expired		(16,481	)		10.35
Outstanding at March 30, 2019		182,366		$	6.15		8.4	$	—
Granted		73,880			4.98		9.2
Forfeited / Expired		(15,488	)		5.13
Outstanding at March 28, 2020		240,758		$	5.86		7.9	$	—
Exercisable at March 28, 2020		87,242		$	7.51		6.2	$	—
At March 28, 2020, expected to vest in the future		196,846		$	6.07		7.7	$	—

Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

	Shares			Weighted Average Grant Date Fair Value
Non-vested at March 31, 2018		19,997		$	9.75
Granted		20,667			4.65
Vested		(16,667	)		4.80
Forfeited or cancelled		(1,654	)		11.85
Non-vested at March 30, 2019		22,343		$	8.40
Granted		10,000			3.97
Vested		(21,009	)		8.25
Forfeited or cancelled		(1,334	)		12.00
Non-vested at March 28, 2020		10,000		$	3.97