Note 6 - Term Debt - Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Federal Home Loan Bank of San Francisco borrowings	$ 10,000	$ 0
Subordinated Debt [Member]
Long-term debt, gross	10,000	10,000
Senior Notes [Member]
Unamortized debt issuance costs	(19)	(43)
Term Debt [Member]
Long-term debt, gross	10,000	10,000
Unamortized debt issuance costs	(19)	(43)
Net term debt	$ 19,981	$ 9,957

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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