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Note 4 - Balance Sheet Components (Tables) | 9 Months Ended
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Sep. 26, 2020
Notes Tables |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  | September 26, |  |  | December 28, |
(In thousands) |  | 2020 |  |  | 2019 |
Accounts receivable |  | $ | 73,043 |  |  | $ | 65,023 |
Less: Allowance for credit losses |  |  | (54 | ) |  |  | (106 | )
Accounts receivable, net of allowance for credit losses |  | $ | 72,989 |  |  | $ | 64,917 |
Schedule of Inventory, Current [Table Text Block] |
|  | September 26, |  |  | December 28, |
(In thousands) |  | 2020 |  |  | 2019 |
Work in progress |  | $ | 38,691 |  |  | $ | 39,855 |
Finished goods |  |  | 20,797 |  |  |  | 15,125 |
Total inventories |  | $ | 59,488 |  |  | $ | 54,980 |
Property, Plant and Equipment [Table Text Block] |
|  | September 26, |  |  | December 28, |
(In thousands) |  | 2020 |  |  | 2019 |
United States |  | $ | 29,830 |  |  | $ | 32,313 |
China |  |  | 1,390 |  |  |  | 1,683 |
Philippines |  |  | 2,589 |  |  |  | 2,683 |
Taiwan |  |  | 5,224 |  |  |  | 1,885 |
Japan |  |  | 555 |  |  |  | 283 |
Other |  |  | 194 |  |  |  | 383 |
Total foreign property and equipment, net |  |  | 9,952 |  |  |  | 6,917 |
Total property and equipment, net |  | $ | 39,782 |  |  | $ | 39,230 |
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] |
|  | September 26, |  |  | December 28, |
(In thousands) |  | 2020 |  |  | 2019 |
Trade accounts payable |  | $ | 40,113 |  |  | $ | 44,350 |
Liability for non-cancelable contracts |  |  | 7,769 |  |  |  | 6,964 |
Other accrued expenses |  |  | 11,860 |  |  |  | 8,941 |
Total accounts payable and accrued expenses |  | $ | 59,742 |  |  | $ | 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 |  |  | 646 |
Amortization |  |  | (388 | )
Cloud based computing implementation costs as of September 26, 2020 |  | $ | 2,801 |

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