2. Summary of significant accounting policies (Details Narrative) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Variable Interest Entity
Assets	$ 14,204	$ 15,564
Liabilities	3,581	3,504
Cummulative losses	(275,232)	(244,024)	(112,637)
Taxes	$ 1,262	$ 2,222	$ 3,826

The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (bb)

-URI http://asc.fasb.org/extlink&oid=7880789&loc=d3e5710-111685

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant