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(11) Segment Reporting (Tables)
3 Months Ended
Mar. 31, 2013
Notes to Financial Statements  
Schedule Of Revenues And Long Lived Assets By Geographical Areas
   Three Months Ended March 31,
Revenues:  2013  2012
       
Americas  $6,435,926   $8,116,232 
Asia Pacific   4,396,003    5,911,275 
Europe, Middle East, Africa and Other   4,452,888    5,340,565 
           
  Total Revenues  $15,284,817   $19,368,072 
           
           
    March 31    December 31, 
Long-lived assets:   2013    2012 
           
Americas  $10,107,480   $10,263,056 
Asia Pacific   934,841    1,041,470 
Europe, Middle East, Africa and Other   539,706    434,353 
           
  Total long-lived assets  $11,582,027   $11,738,879