STOCK REPURCHASE PROGRAM (Details) (USD $)	12 Months Ended
Dec. 31, 2011
STOCK REPURCHASE PROGRAM [Abstract]
Authorized amount of stock repurchase program	$ 15,000,000

The amount authorized by an entity's Board of Directors under a stock repurchase plan.

No definition available.

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration