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Shareholders' Equity - Summary of Total Share Repurchased and Average Price Per Share Paid for the Program (Detail) - $ / shares
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Total Shares Purchased 87,534 359,959
Average Price Per Share Paid $ 1.15 $ 1.03
November 2019 [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Total Shares Purchased 935  
Average Price Per Share Paid $ 1.17  
December 2019 [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Total Shares Purchased 2,879  
Average Price Per Share Paid $ 1.18  
January 2020 [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Total Shares Purchased 4,272  
Average Price Per Share Paid $ 1.15  
February 2020 [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Total Shares Purchased 33,873  
Average Price Per Share Paid $ 1.22  
March 2020 [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Total Shares Purchased 45,575  
Average Price Per Share Paid $ 1.09  
November 2018 [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Total Shares Purchased   1,235
Average Price Per Share Paid   $ 1.14
December 2018 [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Total Shares Purchased   358,724
Average Price Per Share Paid   $ 1.03