GOODWILL AND INTANGIBLE ASSETS - Summary of intangible assets (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 15, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
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		(4)	$ 0	(87)	$ 0
Total Intangible Assets		711		711
Non-compete agreements
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total Intangible Assets				1
Total Intangible Assets		1		$ 1
Amortization Period				2 years
Brand
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total Intangible Assets				$ 79
Amortization				(16)
Total Intangible Assets		63		$ 63
Amortization Period				3 years
Developed Technology
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total Intangible Assets				$ 576
Amortization				(63)
Total Intangible Assets		513		$ 513
Amortization Period				5 years
Customer relationships
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total Intangible Assets				$ 142
Amortization				(8)
Total Intangible Assets		134		$ 134
Amortization Period				10 years
VendScreen, Inc
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 4,040
Goodwill, Additions / Adjustments				$ 211
Goodwill, Ending Balance	3,829	$ 3,829		$ 3,829
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Assets and assumed specified liabilities, cash payment	$ 5,625