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Goodwill and Intangible Assets
6 Months Ended
Jun. 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 June 30, 2017. There were no changes in the carrying amount of goodwill during the three month periods ended June 30, 2017. The Company considered whether there were indicators of impairment during the three and six month periods ended June 30, 2017.
 
The Company has recorded net intangible assets of $3,988,662, consisting of purchased intangibles and internally developed software used in the conduct of business. For the three and six month periods ended June 30, 2017, the Company capitalized internally developed software costs of approximately $201,100 and $13,800, respectively, related to costs associated with our next generation TDI Optimiser™ application. There were no material disposals of intangible assets for the three and six month periods ended June 30, 2017 and 2016.
 
The aggregate amortization expense recorded for the three month periods ended June 30, 2017 and 2016 were approximately $266,000 and $262,900, respectively. The aggregate amortization expense recorded for the six month periods ended June 30, 2017 and 2016 were approximately $535,800 and $533,800, respectively. The total weighted remaining average life of all purchased intangible assets and internally developed software costs is approximately 7.0 years and 3.0 years, respectively, at June 30, 2017.