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Note 10 - Note Payable (Detail) (USD $)
3 Months Ended 1 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Aug. 12, 2012
Secured Note Payable [Member]
Oct. 31, 2012
Bank of China [Member]
Nov. 30, 2012
Industrial and Commercial Bank of China [Member]
Debt Instrument, Face Amount     $ 1,000,000    
Debt Instrument, Interest Rate, Stated Percentage     11.00%    
Debt Instrument, Prepaid Interest, Duration     5 months    
Increase (Decrease) in Restricted Cash (293,000) 293,000   2,057,900 3,894,180
Proceeds from Loans       $ 1,980,000 $ 3,700,000