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Note 18 - Geographical Sales (Detail) - Schedule of sales by geographic region (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Sales $ 66,297,498 $ 43,162,026
China [Member]
    
Sales 17,148,142 [1] 10,320,513 [1]
North America [Member]
    
Sales 30,453,771 19,140,472
Asia [Member]
    
Sales 1,840,624 [2] 713,683 [2]
Europe [Member]
    
Sales 14,843,873 10,743,066
Australia [Member]
    
Sales 777,651 837,684
Hong Kong [Member]
    
Sales 813,482 641,604
Other Countries [Member]
    
Sales $ 419,955 $ 765,004
[1] excluding Hong Kong
[2] excluding China