Note 27 - Share-based compensation expenses (Details) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended		11 Months Ended	1 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended
	Nov. 30, 2009	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Nov. 30, 2011	Jul. 31, 2013 Restricted Stock [Member] Technical Service Provider [Member]	Sep. 30, 2013 Restricted Stock [Member] Technical Service Provider [Member]	Jan. 31, 2012 Restricted Stock [Member] Investor Relations Service Provider [Member]	Sep. 30, 2013 Restricted Stock [Member] Investor Relations Service Provider [Member]	Sep. 30, 2013 Restricted Stock [Member] Investor Relations Service Provider [Member]
Note 27 - Share-based compensation expenses (Details) [Line Items]
Share-based Goods and Nonemployee Services Transaction, Quantity of Securities Issued (in Shares)							150,000		80,000
Share-Based Goods And Nonemployee Services Transaction Price Per Share (in Dollars per share)							$ 0.55		$ 1.05
Share-based Compensation		$ 82,500	$ 11,000	$ 114,000	$ 38,000			$ 82,500		$ 10,500	$ 31,500
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	5 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)	54,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)	$ 5.00					$ 1.20
Share-based Compensation Arrangement by Share-based Payment Award, Description	These options vest quarterly at the end of each 3-month period, in equal installments over the 24-month period from the date of grant. Unexercised options will expire on November 29, 2014.
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)						885,440
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 11,000	$ 53,000	$ 11,000	$ 53,000