PENSION AND OTHER BENEFITS - Fair values of the pension plan assets (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Fair Value Measurements at Reporting Date Using, Level 1
Fixed Income
US Government
Corporate Debt
Preferred Stock	63,000	63,000
Equities	4,605,000	4,189,000
Mutual Funds	268,000	287,000
Money Fund	369,000	576,000
Totals	5,305,000	5,115,000
Fair Value Measurements at Reporting Date Using, Level 2
Fixed Income
US Government		97,000
Corporate Debt	714,000	952,000
Preferred Stock
Equities
Mutual Funds
Money Fund
Totals	714,000	1,049,000
Fair Value Measurements at Reporting Date Using, Level 3
Fixed Income
US Government
Corporate Debt
Preferred Stock
Equities
Mutual Funds
Money Fund
Totals
Assets at fair value
Fixed Income
US Government		97,000
Corporate Debt	714,000	952,000
Preferred Stock	63,000	63,000
Equities	4,605,000	4,189,000
Mutual Funds	268,000	287,000
Money Fund	369,000	576,000
Totals	$ 6,019,000	$ 6,164,000