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Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Value Of Goodwill) (Details) (USD $)
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3 Months Ended | ||
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Mar. 31, 2013
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Mar. 31, 2012
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Dec. 31, 2011
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| Goodwill [Line Items] | |||
| Goodwill, beginning balance | $ 5,956,934 | $ 5,990,571 | $ 5,990,571 |
| Foreign currency translation | (159,263) | ||
| Goodwill, ending balance | 5,797,671 | 5,990,571 | 5,990,571 |
| Gross goodwill | 7,069,657 | ||
| Accumulated impairment loss | (1,271,986) | ||
| Balance at March 31, 2013 | 5,797,671 | 5,990,571 | 5,990,571 |
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Suttle [Member]
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| Goodwill [Line Items] | |||
| Gross goodwill | 1,271,986 | ||
| Accumulated impairment loss | (1,271,986) | ||
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Transition Networks [Member]
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| Goodwill [Line Items] | |||
| Goodwill, beginning balance | 5,956,934 | 5,990,571 | 5,990,571 |
| Foreign currency translation | (159,263) | ||
| Goodwill, ending balance | 5,797,671 | 5,990,571 | 5,990,571 |
| Gross goodwill | 5,797,671 | ||
| Balance at March 31, 2013 | $ 5,797,671 | $ 5,990,571 | $ 5,990,571 |
| X | ||||||||||
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- Definition
Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Gross amount, as of the balance sheet date, of the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable), in excess of the fair value of net assets acquired in one or more business combination transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The accumulated impairment losses related to goodwill as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The increase (decrease) to the recorded value of goodwill for foreign currency translation adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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