STOCK OWNERSHIP AND BENEFIT PLANS (Details 4) (USD $)	12 Months Ended
	Dec. 31, 2012
Employee stock options outstanding and exercisable
Number of options outstanding and exercisable (in shares)	15,500
Weighted average remaining contractual life	2 years 3 months 4 days
Weighted average exercise price (in dollars per share)	$ 14.92
$1.42 - $1.42
Employee stock options outstanding and exercisable
Range of exercise price, low end (in dollars per share)	$ 1.42
Range of exercise price, high end (in dollars per share)	$ 1.42
Number of options outstanding and exercisable (in shares)	500
Weighted average remaining contractual life	11 months 16 days
Weighted average exercise price (in dollars per share)	$ 1.42
$4.87 - $4.87
Employee stock options outstanding and exercisable
Range of exercise price, low end (in dollars per share)	$ 4.87
Range of exercise price, high end (in dollars per share)	$ 4.87
Number of options outstanding and exercisable (in shares)	5,000
Weighted average remaining contractual life	2 years 22 days
Weighted average exercise price (in dollars per share)	$ 4.87
$20.62 - $20.62
Employee stock options outstanding and exercisable
Range of exercise price, low end (in dollars per share)	$ 20.62
Range of exercise price, high end (in dollars per share)	$ 20.62
Number of options outstanding and exercisable (in shares)	10,000
Weighted average remaining contractual life	2 years 5 months 1 day
Weighted average exercise price (in dollars per share)	$ 20.62