Note 3 – Intangibles, net

Intangibles, net consists of the following (in thousands):

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The Kona Grill trade name and other finite-lived intangible assets are amortized using the straight-line method over their estimated useful life of 10 to 20 years. Amortization expense was $0.2 million for both the three months ended March 31, 2022 and 2021. The Company’s estimated aggregate amortization expense for each of the five succeeding fiscal years is approximately $0.9 million annually.