GOODWILL AND INTANGIBLE ASSETS - Summary of intangible assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 7,663	$ 7,663
Goodwill, Additions / Adjustments	4,040
Goodwill, Amortization
Goodwill, Ending Balance	$ 11,703	$ 7,663	$ 7,663
Goodwill, Amortization Period	Indefinite	Indefinite
Finite-lived Intangible Assets [Roll Forward]
Additions / Adjustments	$ 453
Amortization	87		22
Ending Balance	798
Intangible Assets, Net (Including Goodwill) [Abstract]
Intangible Assets, Beginning Balance	8,095	8,095
Intangible Assets, Additions	4,493
Intangible Assets, Amortization	(87)
Intangible Assets, Ending Balance	12,501	8,095	8,095
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total Intangible Assets	432	432
Additions / Adjustments	453
Amortization	(87)		(22)
Total Intangible Assets	798	432	432
Trademarks
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite Intangible Assets, Beginning Balance	432	432
Additions / Adjustments	(432)
Amortization
Indefinite Intangible Assets, Ending Balance		$ 432	$ 432
Amortization Period	Indefinite	Indefinite
Non-compete agreements
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance
Additions / Adjustments	2
Amortization	(1)
Ending Balance	$ 1
Amortization Period	2 years
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Additions / Adjustments	$ 2
Amortization	$ 1
Amortization Period	2 years
Brand
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance
Additions / Adjustments	95
Amortization	(16)
Ending Balance	$ 79
Amortization Period	3 years
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Additions / Adjustments	$ 95
Amortization	$ 16
Amortization Period	3 years
Developed Technology
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance
Additions / Adjustments	639
Amortization	(63)
Ending Balance	$ 576
Amortization Period	5 years
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Additions / Adjustments	$ 639
Amortization	$ 63
Amortization Period	5 years
Customer relationships
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance
Additions / Adjustments	149
Amortization	(7)
Ending Balance	$ 142
Amortization Period	10 years
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Additions / Adjustments	$ 149
Amortization	$ 7
Amortization Period	10 years