Note 7 - Acquisition - Goodwill Adjustments (Details)	6 Months Ended
	Oct. 01, 2023 USD ($)
Amount of goodwill recognized as of October 1, 2023	$ 7,875,000
Manhattan Acquisition [Member]
Amount of goodwill recognized based upon the preliminary allocation of the acquisition cost	787,000
Settlement of the Aggregate Adjustment	(488,000)
Revaluation of inventory as of the Closing Date	387,000
Resolution of pre-acquisition accounts payable	64,000
Net adjustments made during the six-month period ended October 1, 2023	(37,000)
Amount of goodwill recognized as of October 1, 2023	$ 750,000