Note 18 - Due to related parties (Detail) (USD $)	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2009 Shanghai Jing Yang [Member]
Due to Related Parties, Current		[1]	$ 161,000	[1]	$ 157,000

[1] All of the VIEs' assets can be used to settle obligations of their primary beneficiary. Liabilities recognized as a result of consolidating these VIEs do not represent additional claims on the Company's general assets (Note 2).