XML 53 R83.htm IDEA: XBRL DOCUMENT v2.4.0.6
Geographical Sales (Detail) - Schedule of sales by geographic region (USD $)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Dec. 31, 2010
Sales $ 19,204,877 $ 11,187,474 $ 46,351,192 $ 26,079,694 $ 43,162,026 $ 28,818,982
North America [Member]
            
Sales 7,822,570 5,058,940 18,282,841 8,836,430 19,140,472 2,933,829
Europe [Member]
            
Sales 4,868,838 2,631,431 11,747,812 7,540,789 10,743,066 14,059,678
China [Member]
            
Sales 5,016,574 [1] 2,685,583 [1] 12,621,420 [1] 7,639,488 [1] 10,320,513 8,349,254
Australia [Member]
            
Sales 238,139 283,540 522,507 590,796 837,684 1,064,426
Other Countries [Member]
            
Sales 830,954 201,431 1,835,949 609,627 765,004 274,584
Asia [Member]
            
Sales 322,495 [2] 177,949 [2] 715,410 [2] 485,839 [2] 713,683 1,266,273
Hong Kong [Member]
            
Sales $ 105,307 $ 148,600 $ 625,253 $ 376,725 $ 641,604 $ 870,938
[1] excluding Hong Kong
[2] excluding China