Shareholders' Equity - Summary of Total Share Repurchased and Average Price Per Share Paid for the Program (Detail)	12 Months Ended
	Jun. 30, 2021 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Purchased | shares	87,534
Average Price Per Share Paid | $ / shares	$ 1.15
November 2019 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Purchased | shares	935
Average Price Per Share Paid | $ / shares	$ 1.17
December 2019 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Purchased | shares	2,879
Average Price Per Share Paid | $ / shares	$ 1.18
January 2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Purchased | shares	4,272
Average Price Per Share Paid | $ / shares	$ 1.15
February 2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Purchased | shares	33,873
Average Price Per Share Paid | $ / shares	$ 1.22
March 2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Purchased | shares	45,575
Average Price Per Share Paid | $ / shares	$ 1.09