ACQUISITION (Details 2)		9 Months Ended	12 Months Ended
	Apr. 05, 2017	Sep. 30, 2018	Dec. 31, 2017
Jiffy Air Tool Inc [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		9 years 6 months	10 years 1 month 6 days
Customer Relationships [Member] | Jiffy Air Tool Inc [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		15 years
Non-compete agreements [Member] | Jiffy Air Tool Inc [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		4 years