CONCENTRATIONS AND CREDIT RISK (Details) (Major Customers)	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2012 Total revenue	Sep. 30, 2011 Total revenue	Sep. 30, 2012 Total revenue	Sep. 30, 2011 Total revenue	Sep. 30, 2012 Total trade receivables	Dec. 31, 2011 Total trade receivables	Dec. 31, 2011 Total trade receivables General Electric, Inc.
CONCENTRATIONS AND CREDIT RISK
Percentage required for qualification as major customer (as a percent)	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%
Concentration of risk (as a percent)							18.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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