Annual report pursuant to Section 13 and 15(d)

Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Value Of Goodwill) (Details)

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Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Value Of Goodwill) (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Goodwill [Line Items]    
Goodwill, beginning balance $ 5,990,571 $ 4,560,217
Impairment loss   (1,271,986)
Acquisition   2,702,340
Foreign currency translation (33,637)  
Goodwill, ending balance 5,956,934 5,990,571
Gross goodwill 7,228,920  
Accumulated impairment loss (1,271,986)  
Balance at December 31, 2012 5,956,934 5,990,571
Suttle [Member]
   
Goodwill [Line Items]    
Goodwill, beginning balance   1,271,986
Impairment loss   (1,271,986)
Gross goodwill 1,271,986  
Accumulated impairment loss (1,271,986)  
Transition Networks [Member]
   
Goodwill [Line Items]    
Goodwill, beginning balance 5,990,571 3,288,231
Acquisition   2,702,340
Foreign currency translation (33,637)  
Goodwill, ending balance 5,956,934 5,990,571
Gross goodwill 5,956,934  
Balance at December 31, 2012 $ 5,956,934 $ 5,990,571