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Note 8 - Leases - Lease Balance Classifications Within the Consolidated Balance Sheets and Lease Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
Balance | $ 23,591 |  |
Right-of-use assets obtained for new and modified lease contracts during the period | 4,297 |  |
Amortization of right-of-use assets during the period | (5,960) | $ (5,797) | $ 0
Adjustments for present value and foreign currency effects | 250 |  |
Balance | 22,178 | 23,591 |
Balance | 26,124 |  |
Lease liabilities incurred for new lease contracts during the period | 2,646 |  |
Accretion of lease liabilities | 1,629 |  |
Operating cash used by payments on lease liabilities | (7,713) | (8,425) | $ 0
Adjustments for present value and foreign currency effects | 369 |  |
Balance | 23,055 | 26,124 |
Long-term operating lease liabilities, net of current portion | 18,906 | $ 21,438 |
Accounts Payable and Accrued Liabilities [Member] |  |  |
Less: Current portion of operating lease liabilities (included in Accrued expenses) | $ (4,149) |  |

X
- Definition Amount of adjustments for present value, foreign currency, and restructuring liability effects on operating lease liabilities. + References No definition available. + Details
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X
- Definition Amount of increase in operating lease liability from additional liabilities incurred during the period. + References No definition available. + Details
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X
- Definition Amount of adjustments for present value and foreign currency effects on right-of-use assets under operating lease. + References No definition available. + Details
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- Definition represents right-of-use assets obtained for new and modified lease contracts during the period. + References No definition available. + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977 + Details
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X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Amount of amortization expense for right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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