Related Party Transactions - Additional Information (Details) - Concurrent Financing |
3 Months Ended |
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Mar. 31, 2018
USD ($)
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| Longitude Venture Partners III, L..P. | |
| Related Party Transaction [Line Items] | |
| Ownership percentage of merger company | 15.30% |
| Investments | $ 20,000,000 |
| CDK Associates, L.L.C. | |
| Related Party Transaction [Line Items] | |
| Ownership percentage of merger company | 4.99% |
| Investments | $ 7,000,000 |
| Excel Venture Fund II, L.P. | |
| Related Party Transaction [Line Items] | |
| Investments | $ 333,000 |
| Excel Venture Fund II, L.P. | Minimum | |
| Related Party Transaction [Line Items] | |
| Ownership percentage of merger company | 5.00% |
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- Definition Ownership percentage of merger company. No definition available.
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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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- Definition Cash received on stock transaction after deduction of issuance costs. No definition available.
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