Note 4 - Property, Plant and Equipment, Net - Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Mar. 30, 2019
Property, plant, and equipment, gross	$ 5,118	$ 5,874
Less: accumulated depreciation	(4,610)	(5,305)
Total	508	569
Leasehold Improvements [Member]
Property, plant, and equipment, gross	642	633
Machinery and Equipment [Member]
Property, plant, and equipment, gross	3,599	4,333
Computer Equipment [Member]
Property, plant, and equipment, gross	681	681
Furniture and Fixtures [Member]
Property, plant, and equipment, gross	$ 196	$ 227

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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