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Earn-out Milestone Liability (Details Narrative) - USD ($) |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 20, 2014 | Sep. 30, 2018 | Jun. 30, 2018 | Sep. 30, 2017 | Jun. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017 | Dec. 31, 2016
Fair value of Acquisition consideration |  | $ 9,000,000 | $ 13,100,000 | $ 12,500,000 | $ 13,800,000 |  |  |  |
Gain (loss) from change in fair value of earn out milestone liability |  | $ 4,100,000 |  | $ 1,300,000 |  | $ (3,567,671) |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |
Risk adjusted assessment of each milestone |  | 0.00% | 35.00% | 35.00% | 50.00% | 0.00% | 35.00% | 35.00% | 50.00%
Estimated time to achieve the milestone |  |  | 9 months 29 days |  | 1 year 6 months | 0 years | 1 year 2 months 30 days | 1 year 3 months 29 days | 2 years
Maximum [Member] |  |  |  |  |  |  |  |  |
Risk adjusted assessment of each milestone |  | 80.00% | 80.00% | 80.00% | 80.00% | 80.00% | 80.00% | 80.00% | 80.00%
Estimated time to achieve the milestone |  |  | 1 year |  | 2 years | 1 year 2 months 1 day | 1 year 9 months | 1 year 6 months | 2 years 6 months
EGEN Inc [Member] |  |  |  |  |  |  |  |  |
Future earn-out payments | $ 30,400,000 |  |  |  |  |  |  | $ 24,400,000 |
Fair value of Acquisition consideration | $ 13,900,000 |  | $ 13,100,000 |  | $ 13,800,000 | $ 9,000,000 | $ 12,500,000 | $ 12,500,000 | $ 13,200,000
Gain (loss) from change in fair value of earn out milestone liability |  | $ 4,114,995 |  | $ 1,246,151 |  | $ 3,567,671 | $ 670,172 |  |
EGEN Inc [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Risk adjusted assessment of each milestone | 10.00% |  |  |  |  |  |  |  |
Estimated time to achieve the milestone | 1 year 6 months |  |  |  |  |  |  |  |
EGEN Inc [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Future earn-out payments | $ 30,400,000 |  |  |  |  |  |  |  |
Risk adjusted assessment of each milestone | 67.00% |  |  |  |  |  |  |  |
Estimated time to achieve the milestone | 2 years 6 months |  |  |  |  |  |  |  |

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