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Note 7 - Supplemental Disclosures of Cash Flow Information (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
  Six Months Ended 
  June 30, 
  2021   2020  
  (In thousands) 
Cash payments for: $609  $895 
Interest  1,309   - 
Taxes (net of refunds received)        
         
Noncash investing activities:        
Transfers from loans to real estate acquired through foreclosure  110   58