GOODWILL AND INTANGIBLE ASSETS - Summary of intangible assets (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 15, 2016	Dec. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Goodwill [Roll Forward]
Goodwill, Beginning Balance					$ 11,703
Goodwill, Additions / Adjustments					(211)
Goodwill, Ending Balance			$ 11,492		11,492
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total Intangible Assets					798
Amortization			(45)	$ (44)	(132)	$ (44)
Total Intangible Assets			666		666
Non-compete agreements
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total Intangible Assets					1
Amortization					$ (1)
Amortization Period					2 years
Brand
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total Intangible Assets					$ 79
Amortization					(24)
Total Intangible Assets			55		$ 55
Amortization Period					3 years
Developed Technology
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total Intangible Assets					$ 576
Amortization					(96)
Total Intangible Assets			480		$ 480
Amortization Period					5 years
Customer relationships
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total Intangible Assets					$ 142
Amortization					(11)
Total Intangible Assets			$ 131		$ 131
Amortization Period					10 years
VendScreen, Inc
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 4,000
Goodwill, Additions / Adjustments		$ 211
Goodwill, Ending Balance	3,829
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Assets and assumed specified liabilities, cash payment	$ 5,625