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Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2019
Fair Value Measurements [Abstract] |
Liabilities Measured at Fair Value | The recurring fair value measurements of the Company’s liabilities at September 30, 2019 and December 31, 2018 consisted of the following:
|  | Quoted Prices in |  |  |  |  |  |  |  |  |
|  | Active Markets |  | Significant Other |  | Significant |  |  |
|  | for Identical |  | Observable Inputs |  | Unobservable |  |  |
|  | Items (Level 1) |  | (Level 2) |  | Inputs (Level 3) |  | Total
September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 4,282,000 |  | $ | — |  | $ | — |  | $ | 4,282,000
Total assets |  | $ | 4,282,000 |  | $ | — |  | $ | — |  | $ | 4,282,000
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 9,430,000 |  | $ | — |  | $ | — |  | $ | 9,430,000
Total assets |  | $ | 9,430,000 |  | $ | — |  | $ | — |  | $ | 9,430,000
Liabilities |  |  |  |  |  |  |  |  |  |  |  |
Asset acquisition derivative liability |  | $ | — |  | $ | — |  | $ | 1,117,000 |  | $ | 1,117,000
Total liabilities |  | $ | — |  | $ | — |  | $ | 1,117,000 |  | $ | 1,117,000
Changes in Fair Value of Derivative Liabilities | The following table sets forth a summary of changes in the fair value of the Company’s liabilities:
|  | Asset |
|  | Acquisition |
|  | Derivative |
|  | Liability |
Balance, December 31, 2018 |  | $ | 1,117,000 |
Changes in estimated fair value |  |  | (1,117,000) |
Balance, September 30, 2019 |  | $ | — |

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- Definition Tabular disclosure of liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 + Details
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- Definition Tabular disclosure of derivative liabilities at fair value. + References No definition available. + Details
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