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Note 13 - Fair Value and Interest Rate Risk - Financial Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Available-for-sale securities | $ 108,612 | $ 49,262
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Available-for-sale securities | 74,004 | 16,833
Corporate Debt Securities [Member] |  |
Available-for-sale securities | 18,592 | 17,290
Subordinated Notes [Member] |  |
Available-for-sale securities | 4,674 | 9,005
SBA Loan Pools [Member] |  |
Available-for-sale securities | 10,779 | 5,567
US States and Political Subdivisions Debt Securities [Member] |  |
Available-for-sale securities | 563 | 567
Fair Value, Recurring [Member] |  |
Available-for-sale securities | 108,612 | 49,262
Interest rate swap liability | 893 | 1,187
Fair Value, Recurring [Member] | Interest Rate Swap [Member] |  |
Interest rate swap | 893 | 1,187
Fair Value, Recurring [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member] |  |
Interest rate swap | 168 |
Fair Value, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Available-for-sale securities | 74,004 | 16,833
Fair Value, Recurring [Member] | Corporate Debt Securities [Member] |  |
Available-for-sale securities | 18,592 | 17,290
Fair Value, Recurring [Member] | Subordinated Notes [Member] |  |
Available-for-sale securities | 4,674 | 9,005
Fair Value, Recurring [Member] | SBA Loan Pools [Member] |  |
Available-for-sale securities | 10,779 | 5,567
Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] |  |
Available-for-sale securities | 563 | 567
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] |  |
Available-for-sale securities | 0 | 0
Interest rate swap liability | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member] |  |
Interest rate swap | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member] |  |
Interest rate swap | 0 |
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Available-for-sale securities | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member] |  |
Available-for-sale securities | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Subordinated Notes [Member] |  |
Available-for-sale securities | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | SBA Loan Pools [Member] |  |
Available-for-sale securities | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] |  |
Available-for-sale securities | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] |  |
Available-for-sale securities | 108,612 | 49,262
Interest rate swap liability | 893 | 1,187
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member] |  |
Interest rate swap | 893 | 1,187
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member] |  |
Interest rate swap | 168 |
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Available-for-sale securities | 74,004 | 16,833
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member] |  |
Available-for-sale securities | 18,592 | 17,290
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Subordinated Notes [Member] |  |
Available-for-sale securities | 4,674 | 9,005
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | SBA Loan Pools [Member] |  |
Available-for-sale securities | 10,779 | 5,567
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] |  |
Available-for-sale securities | 563 | 567
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] |  |
Available-for-sale securities | 0 | 0
Interest rate swap liability | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member] |  |
Interest rate swap | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member] |  |
Interest rate swap | 0 |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Available-for-sale securities | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member] |  |
Available-for-sale securities | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Subordinated Notes [Member] |  |
Available-for-sale securities | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | SBA Loan Pools [Member] |  |
Available-for-sale securities | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] |  |
Available-for-sale securities | $ 0 | $ 0

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