SIGNIFICANT ACCOUNTING POLICIES - Summary of Revenue by Solution (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Total revenues	$ 14,565	$ 12,394	$ 28,164	$ 22,687
Revenue percentage	100.00%	100.00%	100.00%	100.00%
Mailbacks
Disaggregation of Revenue [Line Items]
Total revenues	$ 8,564	$ 8,039	$ 15,681	$ 13,646
Revenue percentage	58.80%	64.80%	55.70%	60.20%
Route-based pickup services
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,480	$ 2,078	$ 5,137	$ 4,206
Revenue percentage	17.00%	16.80%	18.20%	18.50%
Unused medications
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,321	$ 1,350	$ 4,704	$ 2,989
Revenue percentage	15.90%	10.90%	16.70%	13.20%
Third party treatment services
Disaggregation of Revenue [Line Items]
Total revenues	$ 66	$ 78	$ 85	$ 180
Revenue percentage	0.50%	0.60%	0.30%	0.80%
Other
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,134	$ 849	$ 2,557	$ 1,666
Revenue percentage	7.80%	6.90%	9.10%	7.30%