Note 3 – Intangibles, net

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

The Kona Grill trade name is amortized using the straight-line method over its estimated useful life of 20 years. Amortization expense was $0.2 million for the three months ending March 31, 2021 and 2020. The Company’s estimated aggregate amortization expense for each of the five succeeding fiscal years is approximately $0.9 million annually.