Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Value Of Goodwill) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Line Items]
Goodwill, beginning balance	$ 5,956,934	$ 5,990,571
Impairment loss	(5,849,853)		(1,271,986)
Foreign currency translation	(107,081)	(33,637)
Goodwill, ending balance		5,956,934	5,990,571
Gross goodwill	7,121,839
Accumulated impairment loss	(7,121,839)
Balance at December 31		5,956,934	5,990,571
Suttle [Member]
Goodwill [Line Items]
Impairment loss			(1,271,986)
Goodwill, ending balance
Gross goodwill	1,271,986
Accumulated impairment loss	(1,271,986)
Balance at December 31
Transition Networks [Member]
Goodwill [Line Items]
Goodwill, beginning balance	5,956,934	5,990,571
Impairment loss	(5,849,853)
Foreign currency translation	(107,081)	(33,637)
Goodwill, ending balance		5,956,934
Gross goodwill	5,849,853
Accumulated impairment loss	(5,849,853)
Balance at December 31		$ 5,956,934