NET LOSS PER SHARE - Weighted Average Number of Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares outstanding	51,408	51,410	51,409	50,969
2021 Pre-Funded Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares outstanding	1,661	1,661	1,661	1,661
Class A Pre-Funded Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares outstanding	1,974	1,974	1,974	1,974
Class B Pre-Funded Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares outstanding	8,330	10,947	9,639	10,947
Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares outstanding	39,443	36,828	38,135	36,387