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Note 7 - Other Assets - Other Assets (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Long-term deposits | $ 606,000 | $ 109,000
NQDC plan assets | 311,000 | 150,000
Other | 0 | 115,000
Total | $ 917,000 | $ 374,000

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