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Fair Value Measurements (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Financial assets measured on recurring basis |  |  |
Proceeds from issuance of warrant derivative liability | $ 300 | $ 7,577 | 679
Weighted average price stock exceeds |  | $ 3.00 |
Average daily trading value |  | $ 400 |
Warrants [Member] |  |  |
Weighted average price stock exceeds |  | $ 0.01 |
Black-Scholes-Merton Valuation Model [Member] |  |  |
Derivative liability |  | $ 1,600 | 500
Monte Carlo Simulation Valuation Model [Member] |  |  |
Derivative liability |  | 100 | 900
Monte Carlo Simulation Valuation Model [Member] | Minimum [Member] |  |  |
Proceeds from issuance of warrant derivative liability |  | $ 7,600 | $ 800

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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + Details
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- Definition The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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