Notes Payable to Former Stockholders - Schedule of Interest Expense Pertaining to Notes (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
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| Interest Expense [Line Items] | ||||
| Interest expense | $ 370 | $ 380 | $ 1,126 | $ 1,155 |
| Notes Payable to Former Stockholders [Member] | ||||
| Interest Expense [Line Items] | ||||
| Interest expense | $ 110 | $ 122 | $ 345 | $ 381 |
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- Definition Interest Expense [Line Items] No definition available.
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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