Annual report pursuant to Section 13 and 15(d)

Note 7 - Income Taxes (Details Textual)

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Note 7 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2019
Dec. 31, 2018
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00%    
Deferred Tax Liabilities, Retained Earnings $ 14,500 $ 8,400    
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Bad Debt Reserve for Tax Purposes of Qualified Lender 3,000 1,800    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total 0 $ 0    
State and Local Jurisdiction [Member] | Indiana Department of Revenue [Member]        
Operating Loss Carryforwards 222      
Tax Credit Carryforward, Amount 66      
Tax Credit Carryforward, Valuation Allowance 0      
State and Local Jurisdiction [Member] | Illinois Department of Revenue [Member]        
Operating Loss Carryforwards 68,200      
State and Local Jurisdiction [Member] | Illinois Department of Revenue [Member] | First Personal Financial Corporation [Member]        
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax       $ 7,200
State and Local Jurisdiction [Member] | Illinois Department of Revenue [Member] | AJS Bancorp, Inc [Member]        
Operating Loss Carryforwards     $ 11,400  
State and Local Jurisdiction [Member] | Illinois Department of Revenue [Member] | Royal Financial, Inc. [Member]        
Operating Loss Carryforwards 57,400      
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | First Personal Financial Corporation [Member]        
Operating Loss Carryforwards     7,200 3,300
Operating Loss Carry Forwards Expires       2,200
Operating Loss Carryforward, Not Subject To Expiration       1,100
Limitaion on Use of Operating Losses       $ 362
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | AJS Bancorp, Inc [Member]        
Operating Loss Carry Forwards Expires     3,600  
Operating Loss Carryforward, Not Subject To Expiration     3,600  
Limitaion on Use of Operating Losses     $ 834  
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Royal Financial, Inc. [Member]        
Operating Loss Carry Forwards Expires 1,900      
Operating Loss Carryforward, Not Subject To Expiration 623,000      
Limitaion on Use of Operating Losses 822      
Domestic Tax Authority [Member] | Illinois Department of Revenue [Member]        
Operating Loss Carryforwards 8,200      
Domestic Tax Authority [Member] | Illinois Department of Revenue [Member] | Royal Financial, Inc. [Member]        
Operating Loss Carryforwards $ 2,500