XML 36 R26.htm IDEA: XBRL DOCUMENT
v3.22.1

Long-Term Debt (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Debt Disclosure [Abstract] |
Summary of Long Term Debt | Long-term debt consisted of the following:
(in thousands) | March 31, 2022 |  | December 31, 2021
Principal amount of long-term debt | $ | 32,500 |  |  | $ | 32,500 |
Debt discount, net of accretion | 127 |  |  | 277 |
Cumulative accretion of end of term payments | 597 |  |  | 1,157 |
Long-term debt | $ | 33,224 |  |  | $ | 33,934 |
Less: current portion of long-term debt | $ | (3,415) |  |  | $ | (795) |
Long-term debt, net of current portion | $ | 29,809 |  |  | $ | 33,139 |
Interest Income and Interest Expense Disclosure | The Company recognized interest expense under the Hercules Loan Agreement as follows:
(in thousands) | For the Three Months ended March 31, |  |
| 2022 |  | 2021 |  |  |  |
Total interest expense | $ | 909 |  |  | $ | 890 |  |  |  |  |
Non-cash interest expense | $ | 198 |  |  | $ | 178 |  |  |  |  |
Schedule of Future Principal Payments and the Final Payments Due | As of March 31, 2022, future principal and end-of-term payments due under the Hercules Loan Agreement were as follows (in thousands):
Year Ending December 31, | Total
2022 | $ | — |
2023 | 19,802 |
2024 | 13,295 |
Long-term debt | $ | 33,097 |

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of interest income and expense, including, but not limited to, interest income and expense from investments, loans, and securities. + References No definition available. + Details
Name: | us-gaap_InterestIncomeAndInterestExpenseDisclosureTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
Name: | us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration