Notes Payable to Former Stockholders - Schedule of Accounts Payable and Accrued Expenses Pertaining to Notes (Detail) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Accounts Payable and Accrued Expenses [Member] | ||
| Accounts Payable And Accrued Expenses [Line Items] | ||
| Accrued interest | $ 305 | $ 337 |
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- Definition Accounts Payable And Accrued Expenses [Line Items] No definition available.
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- Definition Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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