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Earnings Per Share (Tables)
3 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Schedule of basic and diluted earnings per share
   Three months ended
September 30,
 
   2021   2020 
Net income allocated to common shareholders, basic and diluted  $568,000   $285,000 
Earnings per share, basic and diluted  $0.07   $0.04 
Weighted average common shares outstanding, basic and diluted   8,216,511    8,222,813