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v3.22.1

Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details Textual) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total | $ 633,000 | $ 5,013,000 | $ (4,156,000) | $ (3,716,000) |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | (1,900,000) | (1,900,000) |  |  |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | (1,900,000) | (1,938,000) | 1,938,000 | 0 |
Net Income (Loss) Attributable to Parent, Total | 1,900,000 | 5,094,000 | (3,819,000) | (2,817,000) |
Federal Home Loan Bank Stock and Federal Reserve Bank Stock, Total | 7,000,000.0 | 7,000,000.0 | 7,300,000 |  |
Impairment of Investment in Federal Home Loan Bank Stock and Federal Reserve Bank Stock |  | 0 | 0 |  |
SBA Loan Funds | 4,500,000 | 4,500,000 | 4,500,000 |  |
Deferred Tax Assets, Valuation Allowance, Total | (0) | (0) | 1,937,000 |  |
Deferred Tax Assets, Net, Total | 12,146,000 | $ 12,146,000 | 11,496,000 |  |
Open Tax Year |  | 2018 2019 2020 2021 |  |  |
Unrecognized Tax Benefits, Ending Balance | $ 0 | $ 0 | $ 0 | $ 1,220,000 | $ 1,132,000
Employee Retention Tax Credit Per Employee |  | $ 2,900,000 |  |  |
Vesting Period Two [Member] | Restricted Stock [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  | 4 years |  |  |
Vesting Period Three [Member] | Restricted Stock [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  | 5 years |  |  |
Core Deposits [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 10 years |  |  |
Minimum [Member] |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  | 3 years |  |  |
Maximum [Member] |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  | 40 years |  |  |
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member] |  |  |  |  |
Stock Value Par or Stated Value per Share (in dollars per share) | $ / shares | $ 100 | $ 100 |  |  |
Before Acquisition Related Costs [Member] |  |  |  |  |
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total | $ 2,500,000 |  |  |  |
Before Effect of Valuation Allowance [Member] |  |  |  |  |
Net Income (Loss) Attributable to Parent, Total | 1,800,000 |  |  |  |
American Challenger [Member] |  |  |  |  |
Business Combination, Acquisition Related Costs | $ 1,900,000 | $ 1,900,000 |  |  |
CONNECTICUT |  |  |  |  |
Number of Operating Branches |  | 7 |  |  |
NEW YORK |  |  |  |  |
Number of Operating Branches |  | 2 |  |  |

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