Short-Term Investments	12 Months Ended
Dec. 31, 2021
Short-Term Investments.
Short-Term Investments	3. Short-Term Investments Short-term investments consist of equity securities with a maturity of greater than three months when acquired. The Company holds its securities at fair value as of December 31, 2021 and 2020. Unrealized gains and losses on securities of $1.0 million and $0.2 million, respectively, are reported in the consolidated statement of operations and comprehensive loss as Other expense (income), net for the years ended December 31, 2021 and 2020. Short-term investments at December 31, 2021 and 2020 consisted of mutual funds with fair values of $88.3 million and $100.8 million, respectively.

The entire disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

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