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Note 11 - Fair Value and Interest Rate Risk - Financial Assets and Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Fair value, total | $ 40,275 | $ 39,496
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Fair value, total | 19,976 | 20,473
Corporate Debt Securities [Member] |  |
Fair value, total | 12,828 | 12,974
Subordinated Notes [Member] |  |
Fair value, total | 5,980 | 4,564
Reported Value Measurement [Member] |  |
Financial assets, total | 894,026 | 895,509
Financial liabilities, total | 876,140 | 876,862
Estimate of Fair Value Measurement [Member] |  |
Financial assets, total | 884,836 | 885,323
Financial liabilities, total | 877,544 | 875,279
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | Brokered Deposits [Member] |  |
Deposits | 182,794 | 183,600
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | Cash and Due from Banks [Member] |  |
Cash and cash equivalents | 6,661 | 7,381
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | Interest-bearing Deposits [Member] |  |
Cash and cash equivalents | 49,971 | 59,056
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] | Brokered Deposits [Member] |  |
Deposits | 182,804 | 183,120
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] | Cash and Due from Banks [Member] |  |
Cash and cash equivalents | 6,661 | 7,381
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] | Interest-bearing Deposits [Member] |  |
Cash and cash equivalents | 49,971 | 59,056
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] |  |
Fair value, total | 1,491 | 1,485
Other investments | 4,963 | 4,963
Federal Reserve Bank stock | 2,892 | 2,866
Federal Home Loan Bank stock | 4,513 | 4,928
Accrued interest receivable | 3,621 | 3,766
Interest swap receivable | 417 | 286
FHLB borrowings | 90,000 | 100,000
Senior notes | 11,796 | 11,778
Subordinated debt | 9,731 | 9,723
Junior subordinated debt owed to unconsolidated trust | 8,096 | 8,094
Accrued interest payable | 1,854 | 1,605
Interest swap liability | 417 | 286
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Demand Deposits [Member] |  |
Deposits | 82,248 | 84,471
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Savings Deposits [Member] |  |
Deposits | 67,708 | 81,912
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Money Market Deposits [Member] |  |
Deposits | 88,493 | 85,197
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Negotiable Order of Withdrawal (NOW) Accounts [Member] |  |
Deposits | 24,924 | 26,100
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Time Deposits [Member] |  |
Deposits | 306,654 | 282,001
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Fair value, total | 19,976 | 20,473
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Corporate Debt Securities [Member] |  |
Fair value, total | 12,828 | 12,974
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Subordinated Notes [Member] |  |
Fair value, total | 5,980 | 4,564
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] |  |
Fair value, total | 1,491 | 1,485
Other investments | 4,963 | 4,963
Federal Reserve Bank stock | 2,892 | 2,866
Federal Home Loan Bank stock | 4,513 | 4,928
Accrued interest receivable | 3,621 | 3,766
Interest swap receivable | 417 | 286
FHLB borrowings | 92,509 | 101,369
Senior notes | 11,433 | 11,293
Subordinated debt | 9,490 | 9,348
Junior subordinated debt owed to unconsolidated trust | 8,096 | 8,094
Accrued interest payable | 1,854 | 1,605
Interest swap liability | 417 | 286
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Demand Deposits [Member] |  |
Deposits | 82,248 | 84,471
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Savings Deposits [Member] |  |
Deposits | 67,708 | 81,912
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Money Market Deposits [Member] |  |
Deposits | 88,493 | 85,197
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Negotiable Order of Withdrawal (NOW) Accounts [Member] |  |
Deposits | 24,924 | 26,100
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Time Deposits [Member] |  |
Deposits | 306,260 | 280,538
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Fair value, total | 19,976 | 20,473
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Corporate Debt Securities [Member] |  |
Fair value, total | 12,828 | 12,974
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Subordinated Notes [Member] |  |
Fair value, total | 5,980 | 4,564
Fair Value, Inputs, Level 3 [Member] | Reported Value Measurement [Member] |  |
Loans receivable, net | 780,713 | 772,767
Note payable | 1,339 | 1,388
Contingent consideration liability | 86 | 707
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |
Loans receivable, net | 771,523 | 762,581
Note payable | 1,222 | 1,239
Contingent consideration liability | $ 86 | $ 707

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