XML 39 R22.htm IDEA: XBRL DOCUMENT v3.23.1
Cash, cash equivalents, and short-term marketable securities (Tables)
 3 Months Ended
Mar. 31, 2023
Investments, Debt and Equity Securities [Abstract]  
Schedule of Restricted Cash
The following table summarizes the Company's cash, cash equivalents, and restricted cash as of March 31, 2023 and 2022.
Three Months Ended
March 31, 2023		Three Months Ended
March 31, 2022
(in thousands)Beginning
of period		End
of period		Beginning
of period		End
of period
Cash and cash equivalents$128,885 $122,825 $177,947 $230,057 
Restricted cash included in other assets, noncurrent478 478 478 478 
Total cash, cash equivalents and restricted cash per statement of cash flows$129,363 $123,303 $178,425 $230,535 
Debt Securities, Available-for-Sale
The following tables summarize the Company's marketable securities held at March 31, 2023 and December 31, 2022.
March 31, 2023
(in thousands)Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Fair
Value
Marketable securities
U.S. treasury securities$77,104 $30 $(39)$77,095 
U.S. government agency securities73,981 33 (15)73,999 
Total$151,085 $63 $(54)$151,094 
December 31, 2022
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Fair
Value
Marketable securities
U.S. treasury securities$107,964 $7 $(161)$107,810 
U.S. government agency securities44,016 24 (23)44,017 
Total$151,980 $31 $(184)$151,827