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Note 15 - Commitments and Contingencies	3 Months Ended
Note 15 - Commitments and Contingencies	Mar. 31, 2018
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	( 1 5 ) Commitments and Contingencies The Bank issues standby letters of credit which guarantee the performance of customers to third parties. The standby letters of credit issued and available at March 31, 2018 were approximately $1.9 million, expire over the next 31 months, and are collateralized primarily with commercial real estate mortgages. Since the conditions under which the Bank is required to fund the standby letters of credit may not materialize, the cash requirements are expected to be less than the total outstanding commitments.