XML 46 R34.htm IDEA: XBRL DOCUMENT v3.21.1
Note 4 - Intangible Assets - Expected Future Amortization Expense (Details)
$ in Thousands
Mar. 31, 2021
USD ($)
Expected amortization expense, 2022 $ 218
Expected amortization expense, 2023 218
Expected amortization expense, 2024 127
Expected amortization expense, 2025
Expected amortization expense, 2026
Customer Relationships [Member]  
Expected amortization expense, 2022 125
Expected amortization expense, 2023 125
Expected amortization expense, 2024 73
Expected amortization expense, 2025
Expected amortization expense, 2026
Patents and Trademarks [Member]  
Expected amortization expense, 2022 93
Expected amortization expense, 2023 93
Expected amortization expense, 2024 54
Expected amortization expense, 2025
Expected amortization expense, 2026