Annual report pursuant to Section 13 and 15(d)

Intangible assets, net - Aggregate Amortization Expense (Details)

v3.20.4
Intangible assets, net - Aggregate Amortization Expense (Details)
Dec. 31, 2020
USD ($)
Estimated aggregate amortization expense  
Estimated amortization expense for 2021 $ 933,000
Estimated amortization expense for 2022 671,000
Estimated amortization expense for 2023 135,000
Estimated amortization expense for 2024
Estimated amortization expense for 2025