LONG-TERM DEBT (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Jun. 30, 2015
Long-term debt
Long-term debt	$ 4,673	$ 4,673		$ 4,789
Amortization of deferred financing costs		40	$ 33
Debt Agreement to Finance Building Purchase and Improvements
Long-term debt
Maximum funds available under debt agreement					$ 5,100
Interest rate (as a percent)					4.15%
Total amount of principal and interest payments to be paid through the maturity date of the debt agreement					$ 31
Final principal and interest payment due under the debt agreement					4,400
Deferred financing costs					$ 73
Amortization of deferred financing costs	$ 4	$ 13