SIGNIFICANT ACCOUNTING POLICIES - Summary of Revenue by Solution (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Total revenues	$ 9,451	$ 9,427	$ 32,138	$ 30,229
Revenue percentage	100.00%	100.00%	100.00%	100.00%
Mailbacks
Disaggregation of Revenue [Line Items]
Total revenues	$ 4,577	$ 4,721	$ 18,223	$ 16,982
Revenue percentage	48.40%	50.10%	56.80%	56.20%
Route-based pickup services
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,259	$ 1,888	$ 6,465	$ 5,479
Revenue percentage	23.90%	20.00%	20.10%	18.10%
Unused medications
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,705	$ 1,832	$ 4,694	$ 4,321
Revenue percentage	18.00%	19.40%	14.60%	14.30%
Third party treatment services
Disaggregation of Revenue [Line Items]
Total revenues	$ 26	$ 44	$ 206	$ 815
Revenue percentage	0.30%	0.50%	0.60%	2.70%
Other
Disaggregation of Revenue [Line Items]
Total revenues	$ 884	$ 942	$ 2,550	$ 2,632
Revenue percentage	9.40%	10.00%	7.90%	8.70%