Note 3 - Revenue From Contracts With Customers - Contract Balance (Details) $ in Thousands	6 Months Ended
	Jul. 03, 2021 USD ($)
Contract assets, balance	$ 5,611
Revenues recorded during the period	7,191
Transferred to Accounts receivable or collected	(7,568)
Contract assets, balance	5,234
Contract liabilities, balance	3,068
Accruals for estimated future stock rotation and scrap returns	3,550
Less: Release of accruals for recognized stock rotation and scrap returns	(1,831)
Contract liabilities, balance	$ 4,787