Note 4 - Balance Sheet Components (Tables)

12 Months Ended

Jan. 02, 2021

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	January 2,			December 28,
(In thousands)	2021			2019
Accounts receivable	$	64,635		$	65,023
Less: Allowance for credit losses		(54	)		(106	)
Accounts receivable, net of allowance for credit losses	$	64,581		$	64,917

Schedule of Inventory, Current [Table Text Block]

	January 2,		December 28,
(In thousands)	2021		2019
Work in progress	$	34,724	$	39,855
Finished goods		29,875		15,125
Total inventories, net	$	64,599	$	54,980

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	January 2,		December 28,
(In thousands)	2021		2019
Liability for non-cancelable contracts	$	8,492	$	6,964
Current portion of operating lease liabilities		4,149		4,686
Other accrued expenses		8,770		8,941
Total accrued expenses	$	21,411	$	20,591

Schedule of Capitalized Software Costs [Table Text Block]

(In thousands)
Cloud based computing implementation costs as of December 28, 2019	$	2,543
Costs capitalized		983
Amortization		(695	)
Cloud based computing implementation costs as of January 2, 2021	$	2,831