Note 15 - Employee Benefit Plans	12 Months Ended
Dec. 31, 2022
Notes to Financial Statements
Retirement Benefits [Text Block]	15. Employee Benefit Plans The Company sponsors a defined contribution plan under which it may make discretionary contributions. The Company did not make any employer matching contributions to this plan during the years ended December 31, 2022, 2021 and 2020.

The entire disclosure for retirement benefits.

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