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Intangible Assets (Narrative) (Details)
Sep. 30, 2021
USD ($)
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Amortization expense, remainder of 2021 $ 51,000
Amortization expense, 2022 174,000
Amortization expense, 2023 126,000
Amortization expense, 2024 $ 30,000