Financing Arrangements - Schedule of Carrying Value of Term Loan Net of Debt Issuance Costs (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
---|---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Dec. 31, 2018 |
|
Shares Issued And Outstanding [Line Items] | |||||
Accrued Final Payment | $ (33) | $ (31) | $ (98) | $ (129) | |
Amount Drawn on Line of Credit | 1,000 | ||||
Less current portion of Term Loan | (3,250) | (3,250) | $ (1,851) | ||
Notes payable long-term portion | 2,564 | 2,564 | 4,254 | ||
Term Loan A [Member] | |||||
Shares Issued And Outstanding [Line Items] | |||||
Principal Amount of Term Loan | 4,600 | 4,600 | 6,000 | ||
Unamortized closing costs | (45) | (45) | (57) | ||
Accrued Final Payment | 259 | 162 | |||
Amount Drawn on Line of Credit | 1,000 | ||||
Carrying amount of Term Loan | 5,814 | 5,814 | 6,105 | ||
Less current portion of Term Loan | (3,250) | (3,250) | (1,851) | ||
Notes payable long-term portion | $ 2,564 | $ 2,564 | $ 4,254 |