OPERATING LEASES (Rent Expense) (Details)	3 Months Ended
	Mar. 31, 2019 USD ($)
Lease [Line Items]
Lease expenses	$ 224,000
Short-term lease expenses	27,000
Cost of Sales [Member]
Lease [Line Items]
Lease expenses	161,000	[1]
Operating Expense [Member]
Lease [Line Items]
Lease expenses	$ 63,000	[1]

[1] includes short-term lease expenses of approximately $27,000 for the three months ended March 31, 2019.