Note 4 - Balance Sheet Components (Tables)

3 Months Ended

Mar. 28, 2020

Notes Tables

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

	March 28,			December 28,
(In thousands)	2020			2019
Accounts receivable	$	68,749		$	65,023
Less: Allowance for credit losses		(106	)		(106	)
Accounts receivable, net of allowance for credit losses	$	68,643		$	64,917

Schedule of Inventory, Current [Table Text Block]

	March 28,		December 28,
(In thousands)	2020		2019
Work in progress	$	39,744	$	39,855
Finished goods		9,188		15,125
Total inventories	$	48,932	$	54,980

Property, Plant and Equipment [Table Text Block]

	March 28,		December 28,
(In thousands)	2020		2019
United States	$	31,593	$	32,313
China		1,528		1,683
Philippines		2,705		2,683
Taiwan		3,556		1,885
Japan		234		283
Other		317		383
Total foreign property and equipment, net		8,340		6,917
Total property and equipment, net	$	39,933	$	39,230

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

	March 28,		December 28,
(In thousands)	2020		2019
Trade accounts payable	$	44,440	$	44,350
Liability for non-cancelable contracts		6,359		6,964
Other accrued expenses		9,165		8,941
Total accounts payable and accrued expenses	$	59,964	$	60,255

Schedule of Capitalized Software Costs [Table Text Block]

(In thousands)
Cloud based computing implementation costs as of December 28, 2019	$	2,543
Costs capitalized during the period		523
Capitalized costs amortized during the period		(73	)
Cloud based computing implementation costs as of March 28, 2020	$	2,993