Stock Purchase Warrants (Details 1) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | ||||
| Beginning Balance | $ 4,083 | |||
| Change in fair value of warrant liability | $ (626) | $ 5,092 | (4,064) | $ (2,157) |
| Ending Balance | $ 19 | $ 19 | ||
| X | ||||||||||
- Definition It represents value of warrant liabilities. No definition available.
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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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