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Warrants - Summary of Warrant Activity (Details) | 6 Months Ended
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Jun. 30, 2019 USD ($) $ / shares shares
Warrants and Rights Note Disclosure [Abstract] |
Number of Warrants Issued, Warrants Outstanding, Beginning Balance | shares | 1,593,162
Number of Warrants Issued, Warrants Issued | shares | 200,000
Number of Warrants Issued, Warrants Expired | shares | (1,167,064)
Number of Warrants Issued, Warrants Outstanding, Ending Balance | shares | 626,098
Aggregate Intrinsic Value of Outstanding Warrants | $ | $ 362,000
Weighted Average Exercise Price, Warrants Outstanding, Beginning Balance | $ / shares | $ 5.36
Weighted Average Exercise Price, Warrants Issued | $ / shares | 0.01
Weighted Average Exercise Price, Warrants Expired | $ / shares | 6.32
Weighted Average Exercise Price, Warrants Outstanding and Exercisable, Ending Balance | $ / shares | $ 1.87

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- Definition Share based compensation arrangement by share based payment award non option equity instruments expired in period weighted average exercise price. + References No definition available. + Details
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- Definition Net number of non-option equity instruments granted to participants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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