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Warrants | 6 Months Ended
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Jun. 30, 2019
Warrants and Rights Note Disclosure [Abstract] |
Warrants | Note 14. Warrants Common Stock Warrants Following is a summary of all warrant activity for the six months ended June 30, 2019:
Warrants |  | Number of Warrants Issued |  |  | Weighted Average Exercise Price |
Warrants outstanding at December 31, 2018 |  |  | 1,593,162 |  |  | $ | 5.36 |
Warrants issued during the six months ended June 30, 2019 (see Note 13) |  |  | 200,000 |  |  | $ | 0.01 |
Warrants expired during the six months ended June 30, 2019 |  |  | (1,167,064 | ) |  | $ | 6.32 |
Warrants outstanding at June 30, 2019 |  |  | 626,098 |  |  | $ | 1.87 |
Aggregate intrinsic value of outstanding warrants at June 30, 2019 |  | $ | 362,000 |  |  |  |  |
Schedule of weighted average remaining contractual terms at June 30, 2019 |  | Number of Warrants Issued |  |  | Weighted Average Exercise Price |  |  | Weighted Average Contractual Terms Remaining |
Warrants provided to EGWU, Inc (Note 13) |  |  | 200,000 |  |  | $ | 0.01 |  |  | No expiration |
All other warrants outstanding |  |  | 426,098 |  |  | $ | 2.74 |  |  | 5.8 years |

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