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Note 4 - Balance Sheet Components (Tables) | 3 Months Ended
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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 |

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