Marketable Securities and Fair Value Measurements - Financial Liabilities at Fair Value on Recurring Basis (Detail) - 2017 Warrants - USD ($) $ in Thousands |
Jun. 30, 2018 |
Dec. 31, 2017 |
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
Total financial liabilities | $ 42 | $ 954 |
Basis of Fair Value Measurements, Level 1 | ||
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
Total financial liabilities | 0 | 0 |
Basis of Fair Value Measurements, Level 2 | ||
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
Total financial liabilities | 0 | 0 |
Basis of Fair Value Measurements, Level 3 | ||
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
Total financial liabilities | $ 42 | $ 954 |
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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 Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity. No definition available.
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