Shareholders' Equity - Summary of Total Share Repurchased and Average Price Per Share Paid for the Program (Detail) - $ / shares	6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total Shares Purchased	3,814	359,959
Average Price Per Share Paid	$ 1.17	$ 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
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