STOCK-BASED COMPENSATION PLANS (Detail Textuals) (Stock Options)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for granting options	600,000	600,000	600,000
Expiration period of options from date of grant	10 years
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of options	2 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of options	4 years