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Note 11 - Fair Value and Interest Rate Risk - Financial Assets and Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Financial Assets: |  |
Available-for-sale securities | $ 50,057 | $ 39,496
Interest rate swap receivable | 874 | 286
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 18,183 | 20,473
Corporate Debt Securities [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 16,863 | 12,974
Subordinated Notes [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 8,192 | 4,564
SBA Loan Pools [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 5,320 |
Reported Value Measurement [Member] |  |
Financial Assets: |  |
Financial assets, total | 913,007 | 895,546
Financial Liabilities: |  |
Financial liabilities, total | 895,932 | 876,862
Estimate of Fair Value Measurement [Member] |  |
Financial Assets: |  |
Financial assets, total | 903,775 | 885,360
Financial Liabilities: |  |
Financial liabilities, total | 901,551 | 875,279
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | Brokered Deposits [Member] |  |
Financial Liabilities: |  |
Deposits | 196,629 | 183,600
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | Cash and Due from Banks [Member] |  |
Financial Assets: |  |
Cash and cash equivalents | 3,157 | 7,381
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | Interest-bearing Deposits [Member] |  |
Financial Assets: |  |
Cash and cash equivalents | 46,844 | 59,056
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] | Brokered Deposits [Member] |  |
Financial Liabilities: |  |
Deposits | 197,053 | 183,120
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] | Cash and Due from Banks [Member] |  |
Financial Assets: |  |
Cash and cash equivalents | 3,157 | 7,381
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] | Interest-bearing Deposits [Member] |  |
Financial Assets: |  |
Cash and cash equivalents | 46,844 | 59,056
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 1,499 | 1,485
Other investments | 4,963 | 4,963
Federal Reserve Bank stock | 2,889 | 2,866
Federal Home Loan Bank stock | 4,477 | 4,928
SBA loans held for sale | 4,103 |
Accrued interest receivable | 3,538 | 3,766
Financial Liabilities: |  |
FHLB borrowings | 100,000 | 100,000
Senior notes | 11,834 | 11,778
Subordinated debt | 9,745 | 9,723
Junior subordinated debt owed to unconsolidated trust | 8,100 | 8,094
Accrued interest payable | 1,995 | 1,605
Interest rate swap liability | 874 | 286
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Demand Deposits [Member] |  |
Financial Liabilities: |  |
Deposits | 80,772 | 84,471
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Savings Deposits [Member] |  |
Financial Liabilities: |  |
Deposits | 57,390 | 81,912
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Money Market Deposits [Member] |  |
Financial Liabilities: |  |
Deposits | 125,934 | 85,197
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Negotiable Order of Withdrawal (NOW) Accounts [Member] |  |
Financial Liabilities: |  |
Deposits | 23,675 | 26,100
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Time Deposits [Member] |  |
Financial Liabilities: |  |
Deposits | 277,656 | 282,001
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 18,183 | 20,473
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Corporate Debt Securities [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 16,863 | 12,974
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Subordinated Notes [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 8,192 | 4,564
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | SBA Loan Pools [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 5,320 |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 1,499 | 1,485
Other investments | 4,963 | 4,963
Federal Reserve Bank stock | 2,889 | 2,866
Federal Home Loan Bank stock | 4,477 | 4,928
SBA loans held for sale | 4,480 |
Accrued interest receivable | 3,538 | 3,766
Financial Liabilities: |  |
FHLB borrowings | 104,559 | 101,369
Senior notes | 11,698 | 11,293
Subordinated debt | 9,776 | 9,348
Junior subordinated debt owed to unconsolidated trust | 8,100 | 8,094
Accrued interest payable | 1,995 | 1,605
Interest rate swap liability | 874 | 286
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Demand Deposits [Member] |  |
Financial Liabilities: |  |
Deposits | 80,772 | 84,471
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Savings Deposits [Member] |  |
Financial Liabilities: |  |
Deposits | 57,390 | 81,912
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Money Market Deposits [Member] |  |
Financial Liabilities: |  |
Deposits | 125,934 | 85,197
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Negotiable Order of Withdrawal (NOW) Accounts [Member] |  |
Financial Liabilities: |  |
Deposits | 23,675 | 26,100
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Time Deposits [Member] |  |
Financial Liabilities: |  |
Deposits | 278,452 | 280,538
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 18,183 | 20,473
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Corporate Debt Securities [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 16,863 | 12,974
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Subordinated Notes [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 8,192 | 4,564
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | SBA Loan Pools [Member] |  |
Financial Assets: |  |
Available-for-sale securities | 5,320 |
Fair Value, Inputs, Level 3 [Member] |  |
Financial Assets: |  |
SBA servicing assets |  | 37
Fair Value, Inputs, Level 3 [Member] | Reported Value Measurement [Member] |  |
Financial Assets: |  |
Loans receivable, net | 791,909 | 772,767
SBA servicing assets | 196 | 37
Financial Liabilities: |  |
Note payable | 1,242 | 1,388
Contingent consideration liability | 86 | 707
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |
Financial Assets: |  |
Loans receivable, net | 782,220 | 762,581
SBA servicing assets | 276 | 37
Financial Liabilities: |  |
Note payable | 1,187 | 1,239
Contingent consideration liability | $ 86 | $ 707

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