REVENUE RECOGNITION - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 17,885	$ 17,885	$ 12,918
Royalty revenue [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 59		$ 256