XML 52 R41.htm IDEA: XBRL DOCUMENT v3.22.2.2
Description of Business - Additional Information (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Description Of Business [Line Items]      
Cash and cash equivalents $ 73,698   $ 94,141
Accumulated deficit 337,602   308,733
Cash flows from operating activities 27,639 $ 23,459 $ 28,000
$35.0 Million Credit Facility | Oxford Finance LLC      
Description Of Business [Line Items]      
Borrowings outstanding under credit facility $ 35,000    
Credit facility maturity date Feb. 28, 2025