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Loan Commitments (Tables)
 12 Months Ended
Jun. 30, 2018
Loan Commitments [Abstract]  
Schedule of outstanding loan commitments
   2018  2017 
 (in thousands) Fixed  Variable  Fixed  Variable 
 Unused commitment:            
 Revolving, open-end lines secured by real estate $--  $9,512  $--  $9,443 
 Commitments to fund real estate construction loans  1,104   2,294   692   2,365 
 Other unused commitment:                
 Commercial and industrial loans  --   1,331   1,121   -- 
 Other  801   1,448   907   1,266 
 Letters of credit  --   --   --   --