Note 8 - Accrued Liabilities |
9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2021 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Notes to Financial Statements | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Accounts Payable and Accrued Liabilities Disclosure [Text Block] |
Accrued liabilities as of September 30, 2021 and December 31, 2020 consisted of the following:
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