Note 9 - Retirement Plans	12 Months Ended
Dec. 31, 2021
Notes to Financial Statements
Retirement Benefits [Text Block]	9. Retirement Plans The Company has a 401(k) Profit Sharing Plan covering substantially all eligible domestic employees. The Company made discretionary contributions of $72,000 for both years ended December 31, 2021 and 2020.

The entire disclosure for retirement benefits.

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+ Details