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Goodwill and Intangibles (Notes) | 12 Months Ended
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Dec. 28, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets Disclosure [Text Block] | Goodwill and Intangibles A rollforward of the Company's goodwill is as follows:
|  | Total
Balance, December 30, 2017 |  | $ | 1,780,247 |
Impairment of goodwill |  | (1,417,470 | )
Change due to exchange rate fluctuations |  | (31,433 | )
Balance, December 29, 2018 |  | 331,344 |
Impairment of goodwill |  | (331,344 | )
Balance, December 28, 2019 |  | $ | — |
In 2019, the Company performed a qualitative impairment analysis of goodwill for e-MDT operating unit and determined that the discounted cash flows were not in excess of the carrying value. As a result of the analysis, the Company recorded impairment of goodwill of $0.3 million for the year ended December 28, 2019. At December 29, 2018, the Company performed an impairment analysis of goodwill based on a comparison of the discounted cash flows to the recorded carrying value of the reporting units, and determined that the discounted cash flows were not in excess of the carrying value of the NVIS reporting unit. At December 29, 2018, the Company decided to discontinue operations at its wholly-owned subsidiary, Kopin Software Ltd. and expects no future cash flows to support the carrying amount of goodwill. As a result, the Company recorded an impairment of goodwill of $1.4 million for the year ended December 29, 2018. The input methods for goodwill are analyzed for impairment on a nonrecurring basis using fair value measurements with unobservable inputs, which is Level 3 in the fair value hierarchy. The Company recognized $0.9 million and $1.6 million in amortization expense for the fiscal years ended 2018 and 2017, respectively, related to intangible assets. The Company did not recognize any amortization expense in 2019. At December 28, 2019, the Company has a carrying value of $2.5 million and accumulated amortization of $2.5 million related to intangibles. The intangibles have no remaining useful life.

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- Definition The entire disclosure for goodwill and 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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