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Intangible Assets | 12 Months Ended
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Jan. 02, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets | 9. Intangible Assets, net Intangible assets, net, consist of the following (in thousands):
| January 2, 2021 |  | December 28, 2019
Gross carrying amount |  |  |
Acquired technologies | $ | 29,039 |  |  | $ | 5,580 |
Patents | 26,875 |  |  | 23,242 |
Customer relationships | 24,666 |  |  | 7,669 |
Trademarks | 11,708 |  |  | 4,614 |
Licenses-related party | 7,500 |  |  | 7,500 |
Capitalized software development costs | 3,710 |  |  | 3,328 |
Other | 7,091 |  |  | 5,466 |
Total gross carrying amount | $ | 110,589 |  |  | $ | 57,399 |
Accumulated amortization |  |  |
Patents | $ | (10,763) |  |  | $ | (9,251) |
Licenses-related party | (6,841) |  |  | (5,984) |
Customer relationships | (6,486) |  |  | (5,688) |
Acquired technologies | (5,259) |  |  | (4,182) |
Trademarks | (3,999) |  |  | (2,195) |
Capitalized software development costs | (2,319) |  |  | (2,137) |
Other | (999) |  |  | (711) |
Total accumulated amortization | (36,666) |  |  | (30,148) |
Net carrying amount | $ | 73,923 |  |  | $ | 27,251 |
Intangible assets have a weighted-average amortization period of twelve years. For the years ended January 2, 2021, December 28, 2019 and December 29, 2018, amortization of intangible assets was $7.5 million, $4.4 million and $4.8 million, respectively. As of January 2, 2021 and December 28, 2019, the total costs of patents not yet amortizing was $8.2 million and $6.1 million, respectively. As of January 2, 2021 and December 28, 2019, the total costs of trademarks not yet amortizing was $0.9 million and $0.7 million, respectively. For the years ended January 2, 2021 and December 28, 2019, total renewal costs capitalized for patents and trademarks was $1.3 million and $1.3 million, respectively. As of January 2, 2021, the weighted-average number of years until the next renewal was one year for patents and six years for trademarks. During the first quarter of fiscal 2020, the Company completed an immaterial business combination. Based on the Company’s preliminary purchase price allocation, approximately $15.5 million, $2.6 million and $1.7 million of the purchase price was assigned to customer relationships, acquired technologies and trademarks, respectively. During the second quarter of fiscal 2020, the Company completed another immaterial business combination. Based on the Company’s preliminary purchase price allocation, approximately $6.3 million, $2.4 million, $0.4 million and $0.3 million of the purchase price was assigned to acquired technologies, trademarks, customer relationships and other intangibles, respectively. During the fourth quarter of fiscal 2020, the Company obtained a controlling interest in a provider of advanced hemodynamic monitoring solutions. Based on the Company’s preliminary purchase price allocation, approximately $14.0 million, $2.3 million, $1.0 million and $1.0 million of the purchase price was assigned to acquired technologies, trademarks, customer relationships and other intangibles, respectively. Subsequently, during the first quarter of fiscal 2021, the Company acquired the remaining minority interest. See Note 14 to these consolidated financial statements for further details. The Company is still gathering additional information to finalize these preliminary estimates with respect to tax contingency matters and expects to finalize the purchase price allocations as soon as practicable, but no later than one year from the acquisition dates. Estimated amortization expense for each of the next fiscal years is as follows (in thousands):
Fiscal year | Amount
2021 | $ | 8,761 |
2022 | 8,385 |
2023 | 7,334 |
2024 | 6,985 |
2025 | 5,974 |
Thereafter | 36,484 |
Total | $ | 73,923 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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