XML 55 R40.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Debt - Additional Information (Details) |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 17, 2020 shares | Jul. 01, 2019 Installment | Jun. 30, 2020 USD ($) $ / shares shares | Aug. 31, 2018 USD ($) | Jun. 30, 2017 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repayment of existing loan |  |  |  |  |  | $ 0 | $ 4,683,000 | $ 2,800,000
Proceeds from notes |  |  |  |  |  | $ 0 | $ 0 | $ 19,451,000
Common Stock |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Warrant exercisable | shares |  |  | 7,809 |  |  |  |  |
Exercise price of warrant | $ / shares |  |  | $ 4.77 |  |  |  |  |
Cashless exercise of warrants | shares | 15,833 |  |  |  |  |  |  |
SVB |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repayment of existing loan |  |  |  |  | $ 4,100,000 |  |  |
Debt instrument final payments |  |  |  |  | 400,000 |  |  |
SVB | Convertible Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Proceeds from notes |  |  |  | $ 3,000,000.0 |  |  |  |
SVB | Term C Loan | Common Stock |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Warrant term |  |  | 7 years |  |  |  |  |
Exercise price of warrant | $ / shares |  |  | $ 0.53 |  |  |  |  |
SVB | Term C Loan | Common Stock | Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Warrant to purchase common stock | shares |  |  | 9,442 |  |  |  |  |
SVB | Term A And Term B Loans | Series A Convertible Preferred Stock |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Exercise price of warrant | $ / shares |  |  | $ 2.2615 |  |  |  |  |
Warrant term |  |  | 10 years |  |  |  |  |
SVB | Term A And Term B Loans | Series A Convertible Preferred Stock | Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Warrant to purchase convertible preferred stock | shares |  |  | 16,474 |  |  |  |  |
SVB | LSA Amendment |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Loan facility maximum borrowing capacity |  |  |  |  | 7,000,000.0 |  |  |
SVB | LSA Amendment | Term C Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Face amount of loans |  |  |  |  | 5,000,000.0 |  |  |
Debt instrument final payments |  |  |  |  | $ 300,000 |  |  |
Maturity date |  |  |  |  | Jun. 01, 2021 |  |  |
Basis spread on variable rate |  |  |  |  | 0.20% |  |  |
Frequency of periodic payment principal |  |  |  |  |  | 36 equal monthly |  |
Number of equal monthly installments of principal | Installment |  | 36 |  |  |  |  |  |
Frequency of periodic payment interest |  |  |  |  |  | monthly |  |
Debt instrument final payment percentage |  | 6.50% |  |  |  |  |  |
SVB | LSA Amendment | Term D Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Face amount of loans |  |  |  |  | $ 2,000,000.0 |  |  |
SVB | LSA Second Amendment | Term D Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument final payments |  |  |  | $ 100,000 |  |  |  |
Debt instrument final payment percentage |  |  |  | 6.50% |  |  |  |
Proceeds from issuance of long-term debt |  |  |  | $ 2,000,000.0 |  |  |  |
SVB | LSA | Term C And D Loans |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Loans prepaid amount |  |  | $ 2,800,000 |  |  |  |  |
Payment of final payment and accrued interest |  |  | $ 500,000 |  |  |  |  |

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