GOODWILL AND OTHER INTANGIBLE ASSETS - Additional information - (Details)	6 Months Ended
	Jun. 30, 2020 USD ($)
Universal Air Tool[Member]
Finite-Lived Intangible Assets [Line Items]
Non Cash Goodwill Impairment Charges	$ 183,000
NUMATX[Member]
Finite-Lived Intangible Assets [Line Items]
Non Cash Goodwill Impairment Charges	88,000
Hy-Tech Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Non Cash Goodwill Impairment Charges	$ 1,057,000