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v3.19.1

Consolidated Statements of Cash Flow (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Warrant Derivative Liabilities [Member] |  |
Issuance costs | $ 682 | $ 131
Preferred Stock [Member] |  |
Issuance costs | 668 | 668
Common Stock [Member] |  |
Issuance costs | $ 601 | $ 601

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- Definition The cash outflow for cost incurred directly with the issuance of an equity security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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