Note 3 - Revenue From Contracts With Customers - Contract Balance (Details) $ in Thousands	3 Months Ended
	Mar. 28, 2020 USD ($)
Contract assets, balance	$ 5,569
Revenues recorded during the period	3,103
Transferred to Accounts receivable or collected	(3,238)
Contract assets, balance	5,434
Contract liabilities	2,313
Accruals for estimated future stock rotation and scrap returns	990
Less: Release of accruals for recognized stock rotation and scrap returns	(376)
Contract liabilities	$ 2,927