SIGNIFICANT ACCOUNTING POLICIES - Summary of Revenue by Solution (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Total revenues	$ 13,151	$ 13,599
Revenue percentage	100.00%	100.00%
Mailbacks
Disaggregation of Revenue [Line Items]
Total revenues	$ 6,162	$ 7,117
Revenue percentage	46.80%	52.40%
Route-based pickup services
Disaggregation of Revenue [Line Items]
Total revenues	$ 3,156	$ 2,657
Revenue percentage	24.00%	19.50%
Unused medications
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,361	$ 2,383
Revenue percentage	18.00%	17.50%
Third party treatment services
Disaggregation of Revenue [Line Items]
Total revenues	$ 135	$ 19
Revenue percentage	1.00%	0.10%
Other
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,337	$ 1,423
Revenue percentage	10.20%	10.50%