7.	Goodwill and Intangible Assets

The Company has recorded goodwill of $18,555,578 as of June 30, 2015. There were no changes in the carrying amount of goodwill for the six month period ended June 30, 2015. There were no indicators of impairment during the six month period ended June 30, 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 and six month periods ended June 30, 2015, the Company did not complete any business combinations. For the three and six month periods ended June 30, 2015, the Company capitalized internally developed software of approximately $186,400. For the three and six month periods ended June 30, 2014, the Company capitalized internally developed software of approximately $138,800. There were no disposals of intangible assets for the three or six month periods ended June 30, 2015 and 2014.

The aggregate amortization expense recorded for the three month periods ended June 30, 2015 and 2014 was approximately $262,500 and $353,000, respectively. The aggregate amortization expense recorded for the six month periods ended June 30, 2015 and 2014 was approximately $530,800 and $655,400, respectively. The total weighted average life of purchased and internally developed intangible assets is approximately 5.8 years at June 30, 2015.