GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($)	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Intangible assets, original amount	$ 5,067,000		$ 1,631,000
Intangible assets, accumulated amortization	(803,000)		(502,000)
Total	4,264,000		1,129,000
Intangible assets, amortization expense	300,000	$ 28,000
Goodwill [Roll Forward]
Balance at June 30, 2016	1,039,000
Goodwill acquired during the six months ended December 31, 2016	5,685,000
Balance at December 31, 2016	6,724,000
Future amortization of intangible assets [Abstract]
2017	606,000
2018	606,000
2019	606,000
2020	606,000
2021	594,000
Thereafter	1,246,000
Total	$ 4,264,000		1,129,000
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	7 years
Intangible assets, original amount	$ 3,007,000		580,000
Intangible assets, accumulated amortization	(277,000)		(60,000)
Total	2,730,000		520,000
Future amortization of intangible assets [Abstract]
Total	2,730,000		520,000
Permits [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, original amount	1,290,000		668,000
Intangible assets, accumulated amortization	(239,000)		(191,000)
Total	1,051,000		477,000
Future amortization of intangible assets [Abstract]
Total	$ 1,051,000		477,000
Permits [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	6 years
Permits [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	15 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, original amount	$ 383,000		383,000
Intangible assets, accumulated amortization	(257,000)		(251,000)
Total	126,000		132,000
Future amortization of intangible assets [Abstract]
Total	$ 126,000		132,000
Patents [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	5 years
Patents [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	17 years
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	7 years
Intangible assets, original amount	$ 270,000		0
Intangible assets, accumulated amortization	(19,000)		0
Total	251,000		0
Future amortization of intangible assets [Abstract]
Total	$ 251,000		0
Non-compete [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	5 years
Intangible assets, original amount	$ 117,000		0
Intangible assets, accumulated amortization	(11,000)		0
Total	106,000		0
Future amortization of intangible assets [Abstract]
Total	$ 106,000		$ 0