5. INVESTMENT IN JOINT VENTURE (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Investment In Joint Venture Details 1
Revenues	$ 1,257	$ 25,995	$ 2,601	$ 57,523
Gross profit	526	6,829	661	14,029
Net loss	$ 159	$ 996	$ 669	$ 1,580

The amount of gross profit (loss) reported by an equity method investment of the entity.

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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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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-Publisher FASB

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Article 1

+ Details

- Definition

The amount of net income (loss) reported by an equity method investment of the entity.

+ References

+ Details