RESTRUCTURING - Rollforward of Restructuring Charges (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017
Restructuring Reserve [Roll Forward]
December 31, 2016		$ 174,000
Expense	$ 0	20,000
Payments and Other Adjustments		(164,000)
September 30, 2017	30,000	30,000
Severance
Restructuring Reserve [Roll Forward]
December 31, 2016		62,000
Expense		20,000
Payments and Other Adjustments		(62,000)
September 30, 2017	20,000	20,000
Contract termination costs
Restructuring Reserve [Roll Forward]
December 31, 2016		112,000
Expense		0
Payments and Other Adjustments		(102,000)
September 30, 2017	$ 10,000	$ 10,000