Note 6 - Term Debt - Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Federal Home Loan Bank of San Francisco ("FHLB") borrowings	$ 0	$ 5,000
Subordinated Debt [Member]
Long-term debt, gross	10,000	10,000
Term Debt [Member]
Long-term debt, gross	10,000	10,000
Net term debt	$ 10,000	$ 15,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant