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Warrants - Summary of Warrant Activity (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Warrants and Rights Note Disclosure [Abstract] |  |
Number of Warrants Issued, Warrants Outstanding, Beginning Balance | 1,593,162 | 3,058,402
Number of Warrants Issued, Warrants Issued | 200,000 | 190,114
Number of Warrants Issued, Warrants cancelled in exchange for common stock |  | (1,641,427)
Number of Warrants Issued, Warrants Expired | (1,167,064) | (13,927)
Number of Warrants Issued, Warrants Outstanding, Ending Balance | 626,098 | 1,593,162
Weighted Average Exercise Price, Warrants Outstanding, Beginning Balance | $ 5.36 | $ 5.29
Weighted Average Exercise Price, Warrants Issued | 0.01 | 2.63
Weighted Average Exercise Price, Warrants cancelled in exchange for common stock |  | 3.04
Weighted Average Exercise Price, Warrants Expired | 6.32 | 226.24
Weighted Average Exercise Price, Warrants Outstanding and Exercisable, Ending Balance | $ 1.87 | $ 5.36
Aggregate Intrinsic Value of Outstanding Warrants | $ 340,000 |
Weighted average remaining contractual terms (years) | 1 year 10 months 14 days |

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