DISCONTINUED OPERATIONS - 2016 (Details) - USD ($)	1 Months Ended	12 Months Ended
	Feb. 11, 2016	Dec. 31, 2017	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	$ 1,830,000
Cost of goods sold	1,177,000
Gross profit	653,000
Selling and general and administrative expenses	483,000
Interest expense-net	60,000
Income before income taxes	110,000
Income taxes	38,000		$ 38,000
Net income	$ 72,000	$ 0	$ 72,000