4. Intangible Assets
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6 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2012
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Goodwill and Intangible Assets Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
4. Intangible Assets |
Intangible assets consisted of the following at June 30, 2012 and December 31, 2011:
The following is a schedule of estimated future amortization expense of intangible assets as of June 30, 2012:
Amortization expense for the six months ended June 30, 2012 and 2011 was $171,461 and $98,456, respectively. |