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Note E - Property and Equipment - Cost of Property and Equipment and Estimated Useful Lives (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Jan. 01, 2022 | Jan. 02, 2021
Property and equipment, gross | $ 210,883,000 | $ 198,517,000
Less accumulated depreciation and amortization | 121,590,000 | 116,388,000
Property and equipment, net, excluding non-depreciable | 89,293,000 | 82,129,000
Property and equipment, net | $ 101,780,000 | 100,445,000
Building [Member] |  |
Useful life (Year) | 39 years 6 months |
Property and equipment, gross | $ 80,820,000 | 79,673,000
Laboratory and Production Equipment [Member] |  |
Property and equipment, gross | $ 47,552,000 | 37,198,000
Laboratory and Production Equipment [Member] | Minimum [Member] |  |
Useful life (Year) | 5 years |
Laboratory and Production Equipment [Member] | Maximum [Member] |  |
Useful life (Year) | 7 years |
Air Transportation Equipment [Member] |  |
Useful life (Year) | 5 years |
Property and equipment, gross | $ 2,952 | 0
Computer Equipment [Member] |  |
Property and equipment, gross | $ 53,562,000 | 55,965,000
Computer Equipment [Member] | Minimum [Member] |  |
Useful life (Year) | 3 years |
Computer Equipment [Member] | Maximum [Member] |  |
Useful life (Year) | 5 years |
Furniture and Fixtures [Member] |  |
Property and equipment, gross | $ 6,636,000 | 6,517,000
Furniture and Fixtures [Member] | Minimum [Member] |  |
Useful life (Year) | 3 years |
Furniture and Fixtures [Member] | Maximum [Member] |  |
Useful life (Year) | 5 years |
Automobiles [Member] |  |
Property and equipment, gross | $ 767,000 | 705,000
Automobiles [Member] | Minimum [Member] |  |
Useful life (Year) | 3 years |
Automobiles [Member] | Maximum [Member] |  |
Useful life (Year) | 5 years |
Leasehold Improvements [Member] |  |
Property and equipment, gross | $ 15,212,000 | 15,242,000
Leasehold Improvements [Member] | Minimum [Member] |  |
Useful life (Year) | 3 years |
Leasehold Improvements [Member] | Maximum [Member] |  |
Useful life (Year) | 5 years |
Land Improvements [Member] |  |
Useful life (Year) | 15 years |
Property and equipment, gross | $ 3,382,000 | 3,217,000
Land [Member] |  |
Property and equipment, net | 6,992,000 | 7,250,000
Deposits and Projects in Process [Member] |  |
Property and equipment, net | $ 5,495,000 | $ 11,066,000

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 360 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429447&loc=SL124453093-239630 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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