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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 | 9 Months Ended | 3 Months Ended | 9 Months Ended | 9 Months Ended | ||||
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Sep. 30, 2011
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Jun. 30, 2011
Suttle [Member]
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Sep. 30, 2011
Suttle [Member]
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Sep. 30, 2012
Suttle [Member]
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Sep. 30, 2012
Transition Networks [Member]
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Sep. 30, 2011
Transition Networks [Member]
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| Goodwill [Line Items] | |||||||||
| Goodwill, beginning balance | $ 5,990,571 | $ 4,560,217 | $ 1,271,986 | $ 5,990,571 | $ 3,288,231 | ||||
| Impairment loss | 0 | 0 | 0 | (1,271,986) | (1,272,000) | (1,271,986) | |||
| Acquisition | 2,702,340 | 2,702,340 | |||||||
| Foreign currency translation | (31,803) | (31,803) | |||||||
| Goodwill, ending balance | 5,958,768 | 5,990,571 | 5,958,768 | 5,990,571 | 5,958,768 | 5,990,571 | |||
| Gross goodwill | 7,230,754 | 7,230,754 | 1,271,986 | 5,958,768 | |||||
| Accumulated impairment loss | (1,271,986) | (1,271,986) | (1,271,986) | ||||||
| Balance at September 30, 2012 | $ 5,958,768 | $ 5,990,571 | $ 5,958,768 | $ 5,990,571 | $ 5,958,768 | $ 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
The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation. 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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- Definition
Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment. 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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