SIGNIFICANT ACCOUNTING POLICIES - Summary of Revenue by Solution (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Total revenues	$ 12,394	$ 11,119	$ 22,687	$ 20,802
Revenue percentage	100.00%	100.00%	100.00%	100.00%
Mailbacks
Disaggregation of Revenue [Line Items]
Total revenues	$ 8,039	$ 6,796	$ 13,646	$ 12,261
Revenue percentage	64.80%	61.20%	60.20%	58.90%
Route-based pickup services
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,078	$ 1,830	$ 4,206	$ 3,591
Revenue percentage	16.80%	16.50%	18.50%	17.30%
Unused medications
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,350	$ 1,317	$ 2,989	$ 2,489
Revenue percentage	10.90%	11.80%	13.20%	12.00%
Third party treatment services
Disaggregation of Revenue [Line Items]
Total revenues	$ 78	$ 337	$ 180	$ 771
Revenue percentage	0.60%	3.00%	0.80%	3.70%
Other
Disaggregation of Revenue [Line Items]
Total revenues	$ 849	$ 839	$ 1,666	$ 1,690
Revenue percentage	6.90%	7.50%	7.30%	8.10%