24. Earnings per share (Details Narrative)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share Details Narrative
Basic and Diluted Weighted average number of shares of common stock outstanding and potential dilutive shares of common stock	10,284,152	8,426,456

Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

No definition available.

Name:	us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration