Shareholders' Equity - Summary of Total Share Repurchased and Average Price Per Share Paid for the Program (Detail) - $ / shares	9 Months Ended
	Mar. 31, 2020	Mar. 31, 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
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total Shares Purchased	935
Average Price Per Share Paid	$ 1.17
December 2019
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
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
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
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
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
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total Shares Purchased		358,724
Average Price Per Share Paid		$ 1.03