Fair Value Measurements (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Increase Decrease Fair Value of Warrants | $ 1,837 | ||
| Gain loss on warrant liability | 3,909 | $ 4,286 | $ 2,505 |
| Derivative Liability | 1,648 | $ 3,546 | |
| April 2017 Warrants [Member] | |||
| Increase Decrease Fair Value of Warrants | 2,072 | ||
| Derivative Liability | $ 3,301 | ||
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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. No definition available.
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- Definition Amount of Increase (decrease) in fair value of warrants. No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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