Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments - Reconciliation of Level 3 Measurement of Company's April 2018 Warrant (Detail)

v3.10.0.1
Financial Instruments - Reconciliation of Level 3 Measurement of Company's April 2018 Warrant (Detail) - April 2018 Warrant [Member]
$ in Thousands
9 Months Ended
Sep. 30, 2018
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Issuance of warrant $ 207
Change in fair value (93)
Ending, Balance $ 114