STOCK-BASED COMPENSATION PLANS (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Outstanding Options, Number of Shares
Outstanding at the beginning of the period (in shares)	298,520
Granted (in shares)	20,000
Canceled or forfeited (in shares)	(1,250)
Outstanding at the end of the period (in shares)	317,270	298,520
Exercisable at the end of the period (in shares)	288,186
Outstanding Options, Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 25.90
Granted (in dollars per share)	$ 5.20
Canceled or forfeited (in dollars per share)	$ 7.60
Outstanding at the end of the period (in dollars per share)	$ 24.60	$ 25.90
Exercisable at the end of the period (in dollars per share)	$ 26.30
Outstanding Options, Weighted Average Remaining Contractual Term (in years)
Outstanding at the end of the period	3 years 4 months 28 days
Exercisable at the end of the period	2 years 10 months 2 days
Total intrinsic value of options exercised (in dollars)	$ 0	$ 79,000	$ 2,976
Cash proceeds from options exercised (in dollars)	$ 0	$ 28,234	$ 798