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Intangible Assets - Components of Purchased Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Jan. 01, 2022
Components of purchased intangible assets |  |
Annual Amortization | $ 228 | $ 163
Gross Carrying Value | 3,140 | 3,140
Accumulated Amortization | 1,163 | 935
Net Carrying Value | $ 1,977 | $ 2,205
Customer Relations |  |
Components of purchased intangible assets |  |
Useful Lives | 15 years | 15 years
Useful Lives Remaining | 4 years 2 months 15 days | 5 years 29 days
Annual Amortization | $ 30 | $ 28
Gross Carrying Value | 340 | 340
Accumulated Amortization | 230 | 200
Net Carrying Value | $ 110 | $ 140
Developed technology |  |
Components of purchased intangible assets |  |
Useful Lives | 7 years | 7 years
Useful Lives Remaining | 6 years 1 month 6 days | 6 years 2 months 1 day
Annual Amortization | $ 165 | $ 107
Gross Carrying Value | 1,900 | 900
Accumulated Amortization | 272 | 107
Net Carrying Value | $ 1,628 | $ 793
Trade names |  |
Components of purchased intangible assets |  |
Useful Lives | 9 years | 9 years
Useful Lives Remaining | 7 years 2 months 1 day | 8 years 2 months 1 day
Annual Amortization | $ 33 | $ 28
Gross Carrying Value | 300 | 300
Accumulated Amortization | 61 | 28
Net Carrying Value | 239 | $ 272
In-process R&D |  |
Components of purchased intangible assets |  |
Useful Lives |  | 7 years
Annual Amortization |  | $ 0
Gross Carrying Value |  | 1,000
Accumulated Amortization |  |
Net Carrying Value |  | 1,000
Patents |  |
Components of purchased intangible assets |  |
Annual Amortization | 0 | 0
Gross Carrying Value | 600 | 600
Accumulated Amortization | 600 | 600
Net Carrying Value | $ 0 | $ 0

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959 + Details
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