ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 10,199,000	$ 7,991,000
Allowance for doubtful accounts and sales discounts	(152,000)	(85,000)
Accounts Receivable, Net, Current, Total	$ 10,047,000	$ 7,906,000