Note 9 - Notes Payable

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Debt Disclosure [Text Block]

9. Notes Payable

The Company previously maintained a $3,500,000 credit facility with Wells Fargo Bank, which expired in May 2020, and which the Company decided not to renew. The Company has continued its relationship with Wells Fargo, with the exception of the credit facility. As of December 31, 2021 and 2020, the Company had no outstanding borrowings and no other debt.