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Other Intangible Assets (Schedule of Other Intangible Assets) (Details) (USD $) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2013 | Dec. 31, 2012
Other Intangible Assets |  |  |
Gross Carrying Amount | $ 3,414,520 |  | $ 3,362,014
Accumulated Amortization | 1,677,589 |  | 1,509,337
Net Carrying Amount | 1,736,931 |  | 1,852,677
Acquired Intangibles [Member] |  |  |
Other Intangible Assets |  |  |
Gross Carrying Amount | 2,405,300 |  | 2,405,300
Accumulated Amortization | 1,365,917 |  | 1,243,865
Net Carrying Amount | 1,039,383 |  | 1,161,435
Acquired Intangibles [Member] | Minimum [Member] |  |  |
Other Intangible Assets |  |  |
Useful Life | 5 years |  |
Acquired Intangibles [Member] | Maximum [Member] |  |  |
Other Intangible Assets |  |  |
Useful Life | 10 years |  |
Patent Application Costs [Member] |  |  |
Other Intangible Assets |  |  |
Gross Carrying Amount | 1,009,220 |  | 956,714
Accumulated Amortization | 311,672 |  | 265,472
Net Carrying Amount | $ 697,548 |  | $ 691,242
Useful Life | 9 years 9 months 13 days |  |
Useful Life | Varied | [1] |
[1] | patent rights are amortized over their expected useful life which is generally the legal life of the patent. As of June 30, 2013, the weighted average remaining useful life of these assets in service was approximately 9.8 years.

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