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FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended
Jun. 30, 2022
Fair Value Disclosures [Abstract]  
Schedule of Debt Securities, Available-for-sale The following table provides details regarding the Company’s short-term investments:
(in thousands)Amortized CostGross Unrealized GainsGross Unrealized LossesFair Value
June 30, 2022
Money market funds$31,178 $— $— $31,178 
U.S. treasury securities22,113 — (319)21,794 
U.S. corporate paper and bonds104,312 — (711)103,601 
International corporate bond holdings4,566 — (47)4,519 
Total$162,169 $— $(1,077)$161,092 
December 31, 2021
Money market funds$42,199 $— $— $42,199 
U.S. treasury securities22,215 — (54)22,161 
U.S. corporate paper and bonds128,005 (94)127,917 
International corporate bond holdings4,603 — (15)4,588 
Total$197,022 $$(163)$196,865 
The money market funds above are included in cash and cash equivalents on the Company’s condensed consolidated balance sheets.
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis The following tables summarize the Company’s assets and liabilities that are measured at fair value on a recurring basis:
(in thousands)Quoted Prices in Active Markets
(Level 1)
Significant Other Observable Inputs
 (Level 2)
Significant Unobservable Inputs
(Level 3)
Total
June 30, 2022
Assets:
Cash equivalents:
Money market funds$31,178 $— $— $31,178 
Short-term investments:
U.S. treasury securities— 21,794 — 21,794 
U.S. corporate paper and bonds— 103,601 — 103,601 
International corporate bond holdings— 4,519 — 4,519 
Total cash equivalents and short-term investments$31,178 $129,914 $— $161,092 
December 31, 2021
Assets:
Cash equivalents:
Money market funds$42,199 $— $— $42,199 
Short-term investments:
U.S. treasury securities— 22,161 — 22,161 
U.S. corporate paper and bonds— 127,917 — 127,917 
International corporate bond holdings— 4,588 — 4,588 
Total cash equivalents and short-term investments$42,199 $154,666 $— $196,865