7.	Goodwill and Intangible Assets

The Company has recorded goodwill of $18,555,578 as of March 31, 2015. There were no changes in the carrying amount of goodwill for the three month period ended March 31, 2015. The Company considered whether there were indicators of impairment during the three month period ended March 31, 2015.

The Company also has material intangible assets consisting of purchased intangibles and internally developed software used in the conduct of business. For the three months ended March 31, 2015, the Company did not complete any business combinations or capitalize internally developed software. There were no disposals of intangible assets for the three month period ended March 31, 2015. There were no additions or dispositions of intangible assets for the three month period ended March 31, 2015. The aggregate amortization expense recorded for the three month periods ended March 31, 2015 and 2014 was approximately $268,300 and $302,400, respectively. The total weighted average life of purchased and internally developed intangible assets is approximately 6.2 years at March 31, 2015.