SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4)	12 Months Ended
Dec. 31, 2011 Y
Equipment
PROPERTY AND EQUIPMENT
Minimum useful life (in years)	3
Maximum useful life (in years)	10
Buildings and improvements
PROPERTY AND EQUIPMENT
Maximum useful life (in years)	30

The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration