Accretion of Debt Issuance Cost and Debt Discount (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
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Debt Disclosure [Abstract] | ||||
Amortization of debt discount | $ 69 | $ 385 | $ 141 | $ 698 |
Accretion expense - debt issuance cost | $ 21 | $ 10 | $ 35 | $ 17 |
X | ||||||||||
- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Amount of amortization expense attributable to debt issuance costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X | ||||||||||
- References No definition available.
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