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Goodwill | 12 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill |
6. | Goodwill
The following is a summary of goodwill activity for the years ended December 31, 2017 and 2016:
Balance at January 1, 2016 |  | $ | 100,851,144 |
Acquisitions |  |  | 2,872,817 |
Impairments |  |  | (316,610) |
Balance at December 31, 2016 |  | $ | 103,407,351 |
Acquisitions (Note 3) |  |  | 86,439,851 |
Balance at December 31, 2017 |  | $ | 189,847,202 |

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- Definition The entire disclosure for goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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