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CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Tables)
6 Months Ended
Jun. 30, 2022
CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS  
Schedule of cash equivalents and short-term investments

The Company’s cash equivalents and short-term investments are invested in the following (in thousands):

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​

​

​

​

​

​

​

​

​

​

​

​

​

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June 30, 2022

​

    

Amortized Cost

    

Unrealized Gains

    

Unrealized Losses

    

Fair Value

Money market funds

​

$

89,044

​

$

—

​

$

—

​

$

89,044

Commercial paper

​

​

4,986

​

​

—

​

​

—

​

​

4,986

Total cash equivalents

​

​

94,030

​

​

—

​

​

—

​

​

94,030

Commercial paper

​

​

74,021

​

​

—

​

​

—

​

​

74,021

Corporate bonds

​

​

26,976

​

​

5

​

​

(31)

​

​

26,950

U.S. Treasury securities

​

​

34,809

​

​

—

​

​

(38)

​

​

34,771

Government bonds

​

​

9,708

​

​

4

​

​

(19)

​

​

9,693

Total short-term investments

​

​

145,514

​

​

9

​

​

(88)

​

​

145,435

Total cash equivalents and short-term investments

​

$

239,544

​

$

9

​

$

(88)

​

$

239,465

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

December 31, 2021

​

    

Amortized Cost

    

Unrealized Gains

    

Unrealized Losses

    

Fair Value

Money market funds

​

$

46,521

​

$

—

​

$

—

​

$

46,521

Total cash equivalents

​

​

46,521

​

​

—

​

​

—

​

​

46,521

Commercial paper

​

​

70,401

​

​

—

​

​

—

​

​

70,401

Corporate bonds

​

​

65,645

​

​

—

​

​

(28)

​

​

65,617

Government bonds

​

​

36,487

​

​

—

​

​

(11)

​

​

36,476

Asset-backed securities

​

​

24,665

​

​

—

​

​

(10)

​

​

24,655

Total short-term investments

​

​

197,198

​

​

—

​

​

(49)

​

​

197,149

Total cash equivalents and short-term investments

​

$

243,719

​

$

—

​

$

(49)

​

$

243,670