SIGNIFICANT ACCOUNTING POLICIES - Summary of Revenue by Solution (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Total revenues	$ 10,293	$ 9,683
Revenue percentage	100.00%	100.00%
Mailbacks
Disaggregation of Revenue [Line Items]
Total revenues	$ 5,607	$ 5,465
Revenue percentage	54.50%	56.40%
Route-based pickup services
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,128	$ 1,761
Revenue percentage	20.70%	18.20%
Unused medications
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,639	$ 1,172
Revenue percentage	15.90%	12.10%
Third party treatment services
Disaggregation of Revenue [Line Items]
Total revenues	$ 102	$ 434
Revenue percentage	1.00%	4.50%
Other
Disaggregation of Revenue [Line Items]
Total revenues	$ 817	$ 851
Revenue percentage	7.90%	8.80%