Shareholders' Equity - Summary of Total Share Repurchased and Average Price Per Share Paid for the Program (Detail) - $ / shares		9 Months Ended
	Dec. 13, 2018	Mar. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total Shares Purchased	300,000	359,959
Average Price Per Share Paid		$ 1.03
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