| Schedule of Segment Reporting Information, by Segment [Table Text Block] | 
        
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                2013
               
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                2012
               
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                Revenues
                from unaffiliated customers:
               
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                North
                America
               
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              $
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              5,012,431
             | 
            
               
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              $
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              3,295,569
             | 
            
               
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                Europe
               
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              5,762,058
             | 
            
               
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              4,370,681
             | 
            
               
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                Asia
                - Pacific
               
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              24,765,007
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              17,779,058
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                Revenue
                from related party
               
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              154,050
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                Consolidated
               
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              $
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              35,693,546
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              $
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              25,445,308
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                Operating
                income (loss):
               
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                Corporate
                headquarters
               
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             | 
            
              $
             | 
            
              (2,280,141
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              )
             | 
            
               
             | 
            
              $
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              (2,409,184
             | 
            
              )
             | 
           
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                North
                America
               
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              297,172
             | 
            
               
             | 
            
               
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              272,796
             | 
            
               
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                Europe
               
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              817,408
             | 
            
               
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              464,297
             | 
            
               
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                Asia
                - Pacific
               
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             | 
            
               
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              8,235,650
             | 
            
               
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             | 
            
               
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              4,226,333
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                Consolidated
               
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              $
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              7,070,089
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              $
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              2,554,242
             | 
            
               
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                Net
                income (loss) after taxes and before
                non-controlling interest:
               
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                Corporate
                headquarters
               
             | 
            
               
             | 
            
              $
             | 
            
              (2,767,880
             | 
            
              )
             | 
            
               
             | 
            
              $
             | 
            
              (3,157,229
             | 
            
              )
             | 
           
| 
               
                North
                America
               
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             | 
            
               
             | 
            
              255,283
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
              272,233
             | 
            
               
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                Europe
               
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              815,938
             | 
            
               
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              507,471
             | 
            
               
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                Asia
                - Pacific
               
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              9,177,765
             | 
            
               
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              4,558,494
             | 
            
               
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                Consolidated
               
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             | 
            
              $
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              7,481,106
             | 
            
               
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              $
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              2,180,969
             | 
            
               
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                Identifiable
                assets:
               
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                Corporate
                headquarters
               
             | 
            
               
             | 
            
              $
             | 
            
              14,772,163
             | 
            
               
             | 
            
               
             | 
            
              $
             | 
            
              15,921,658
             | 
            
               
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| 
               
                North
                America
               
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             | 
            
               
             | 
            
              4,110,110
             | 
            
               
             | 
            
               
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             | 
            
              3,431,800
             | 
            
               
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                Europe
               
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             | 
            
               
             | 
            
              6,042,543
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
              7,190,639
             | 
            
               
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| 
               
                Asia
                - Pacific
               
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             | 
            
               
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              76,224,455
             | 
            
               
             | 
            
               
             | 
            
               
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              64,868,497
             | 
            
               
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                Consolidated
               
             | 
            
               
             | 
            
              $
             | 
            
              101,149,271
             | 
            
               
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              $
             | 
            
              91,412,594
             | 
            
               
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                Depreciation
                and amortization:
               
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             | 
            
               
             | 
            
               
             | 
           
| 
               
                Corporate
                headquarters
               
             | 
            
               
             | 
            
              $
             | 
            
              102,005
             | 
            
               
             | 
            
               
             | 
            
              $
             | 
            
              53,130
             | 
            
               
             | 
           
| 
               
                North
                America
               
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             | 
            
               
             | 
            
              486,060
             | 
            
               
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              234,943
             | 
            
               
             | 
           
| 
               
                Europe
               
             | 
            
               
             | 
            
               
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              656,727
             | 
            
               
             | 
            
               
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              559,073
             | 
            
               
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| 
               
                Asia
                - Pacific
               
             | 
            
               
             | 
            
               
             | 
            
              2,883,525
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
              2,468,996
             | 
            
               
             | 
           
| 
               
                Consolidated
               
             | 
            
               
             | 
            
              $
             | 
            
              4,128,317
             | 
            
               
             | 
            
               
             | 
            
              $
             | 
            
              3,316,142
             | 
            
               
             | 
           
| 
               
             | 
            
               
             | 
            
               
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             | 
            
               
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                Capital
                expenditures:
               
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
               
             | 
           
| 
               
                Corporate
                headquarters
               
             | 
            
               
             | 
            
              $
             | 
            
              4,236
             | 
            
               
             | 
            
               
             | 
            
              $
             | 
            
              3,170
             | 
            
               
             | 
           
| 
               
                North
                America
               
             | 
            
               
             | 
            
               
             | 
            
              51,195
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
              13,686
             | 
            
               
             | 
           
| 
               
                Europe
               
             | 
            
               
             | 
            
               
             | 
            
              431,417
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
              578,537
             | 
            
               
             | 
           
| 
               
                Asia
                - Pacific
               
             | 
            
               
             | 
            
               
             | 
            
              6,264,154
             | 
            
               
             | 
            
               
             | 
            
               
             | 
            
              3,134,178
             | 
            
               
             | 
           
| 
               
                Consolidated
               
             | 
            
               
             | 
            
              $
             | 
            
              6,751,002
             | 
            
               
             | 
            
               
             | 
            
              $
             | 
            
              3,729,571
             | 
            
               
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