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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - $ / shares | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Share Price |  |  |
Dollar Eight Warrant [Member] |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  | 8.00 |
Dollar Five Warrant [Member] |  |  |
Share Price |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 5.00 | 5.00 | $ 5.00
$7.00 Common Stock Issuance [Member] |  |  |
Share Price |  |  | 7.00
$6.44 Common Stock Issuance [Member] |  |  |
Share Price |  |  | 6.44
$16.00 Common Stock Issuance [Member] |  |  |
Share Price |  | 16.00 |
Restricted Common Stock [Member] |  |  |
Share Price |  |  | $ 2.85

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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