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Goodwill and Intangible Assets
9 Months Ended
Sep. 30, 2017
Goodwill and Intangible Assets [Abstract]  
Goodwill and Intangible Assets Disclosure [Text Block]
7.
Goodwill and Intangible Assets
 
The Company has recorded goodwill of $18,555,578 as of September 30, 2017. There were no changes in the carrying amount of goodwill during the three and nine month periods ended September 30, 2017. The Company considered whether there were indicators of impairment during the three and nine month periods ended September 30, 2017.
 
The Company has recorded net intangible assets of $3,900,433, consisting of purchased intangibles and internally developed software used in the conduct of business. For the three and nine month periods ended September 30, 2017, the Company capitalized internally developed software costs of approximately $128,000 and $360,700, respectively, related to costs associated with our next generation TDI Optimiser™ application. There were no material disposals of intangible assets for the three and nine month periods ended September 30, 2017 and 2016.
 
The aggregate amortization expense recorded for the three month periods ended September 30, 2017 and 2016 were approximately $276,400 and $286,800 respectively. The aggregate amortization expense recorded for the nine month periods ended September 30, 2017 and 2016 were approximately $812,200 and $820,700, respectively. The total weighted remaining average life of all purchased intangible assets and internally developed software costs is approximately 6.8 years and 2.8 years, respectively, at September 30, 2017.