ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period				$ (4,382)	$ (4,368)
Other comprehensive loss before reclassification				(9)	20
Reclassification to net income	[1]			713	275
TOTAL OTHER COMPREHENSIVE INCOME		$ 274	$ 73	704	295
Balance, end of period		(3,678)	(4,073)	(3,678)	(4,073)
Unrealized gain (loss) on marketable securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period				(28)	(24)
Other comprehensive loss before reclassification				(9)	20
Reclassification to net income	[1]			0	0
Change during period, unrealized gain (loss) on marketable securities				(9)	20
Balance, end of period		(37)	(4)	(37)	(4)
Net unrealized loss on retirement plan [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	[2]			(4,354)	(4,344)
Other comprehensive loss before reclassification	[2]			0	0
Reclassification to net income	[1],[2]			713	275
Change during period, net unrealized loss on retirement plan	[2]			713	275
Balance, end of period	[2]	$ (3,641)	$ (4,069)	$ (3,641)	$ (4,069)

[1] The Company reclassified amortization of prior service cost and actuarial loss for its retirement plan from accumulated other comprehensive loss to net income (loss) of $713,000 and $275,000 for the nine months ended September 30, 2015 and 2014, respectively.

[2] Refer to Note 12: Supplemental Executive Retirement Plan.