SIGNIFICANT ACCOUNTING POLICIES - Summary of Revenue by Solution (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Total revenues	$ 10,414	$ 9,451	$ 38,578	$ 32,138
Revenue percentage	100.00%	100.00%	100.00%	100.00%
Mailbacks
Disaggregation of Revenue [Line Items]
Total revenues	$ 4,702	$ 4,577	$ 20,383	$ 18,223
Revenue percentage	45.10%	48.40%	52.80%	56.80%
Route-based pickup services
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,625	$ 2,259	$ 7,762	$ 6,465
Revenue percentage	25.20%	23.90%	20.10%	20.10%
Unused medications
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,111	$ 1,705	$ 6,815	$ 4,694
Revenue percentage	20.30%	18.00%	17.70%	14.60%
Third party treatment services
Disaggregation of Revenue [Line Items]
Total revenues	$ 38	$ 26	$ 123	$ 206
Revenue percentage	0.40%	0.30%	0.30%	0.60%
Other
Disaggregation of Revenue [Line Items]
Total revenues	$ 938	$ 884	$ 3,495	$ 2,550
Revenue percentage	9.00%	9.40%	9.10%	7.90%