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Cash Equivalents and Marketable Securities
 12 Months Ended
Dec. 31, 2022
Cash and Cash Equivalents [Abstract]  
Cash Equivalents and Marketable Securities

4. Cash Equivalents and Marketable Securities

Cash equivalents and marketable securities consisted of the following:

 

 

December 31, 2022

 

 

 

Amortized
Cost Basis

 

 

Unrealized
Gains

 

 

Unrealized
Losses

 

 

Fair
Value

 

 

 

(in thousands)

 

Money market funds

 

$

36,486

 

 

$

-

 

 

$

-

 

 

$

36,486

 

Commercial paper

 

 

87,140

 

 

 

-

 

 

 

-

 

 

 

87,140

 

Corporate debt securities

 

 

36,554

 

 

 

2

 

 

 

(127

)

 

 

36,429

 

Asset-based securities

 

 

14,026

 

 

 

-

 

 

 

(10

)

 

 

14,016

 

U.S. government securities

 

 

91,619

 

 

 

8

 

 

 

(376

)

 

 

91,251

 

U.S. agency securities

 

 

16,646

 

 

 

-

 

 

 

(39

)

 

 

16,607

 

Supranational debt securities

 

 

16,555

 

 

 

-

 

 

 

(74

)

 

 

16,481

 

Total

 

 

299,026

 

 

 

10

 

 

 

(626

)

 

 

298,410

 

Less: amounts classified as cash equivalents

 

 

(43,318

)

 

 

(2

)

 

 

-

 

 

 

(43,320

)

Total marketable securities

 

$

255,708

 

 

$

8

 

 

$

(626

)

 

$

255,090

 

 

 

 

December 31, 2021

 

 

 

Amortized
Cost Basis

 

 

Unrealized
Gains

 

 

Unrealized
Losses

 

 

Fair
Value

 

 

 

(in thousands)

 

Money market funds

 

$

29,451

 

 

$

-

 

 

$

-

 

 

$

29,451

 

Commercial paper

 

 

22,580

 

 

 

-

 

 

 

-

 

 

 

22,580

 

Corporate debt securities

 

 

75,012

 

 

 

-

 

 

 

(151

)

 

 

74,861

 

Asset-based securities

 

 

32,975

 

 

 

-

 

 

 

(18

)

 

 

32,957

 

U.S. government securities

 

 

47,504

 

 

 

-

 

 

 

(84

)

 

 

47,420

 

Supranational debt securities

 

 

21,361

 

 

 

-

 

 

 

(61

)

 

 

21,300

 

Total

 

 

228,883

 

 

 

-

 

 

 

(314

)

 

 

228,569

 

Less: amounts classified as cash equivalents

 

 

(29,451

)

 

 

-

 

 

 

-

 

 

 

(29,451

)

Total marketable securities

 

$

199,432

 

 

$

-

 

 

$

(314

)

 

$

199,118

 

As of December 31, 2022 and 2021, zero and $68.8 million, respectively, of marketable securities had maturities of more than one year and are classified as long-term assets.

There were $139.5 million and $176.5 million of investments in an unrealized loss position of $0.6 million and $0.3 million as of December 31, 2022 and 2021, respectively. During the years ended December 31, 2022, 2021 and 2020, the Company did not record any other-than-temporary impairment charges on its available-for-sale securities. Based on the Company’s procedures under the expected credit loss model, including an assessment of unrealized gains and losses on the portfolio after December 31, 2022, the Company concluded that the unrealized losses for its marketable securities were not attributable to credit and therefore an allowance for credit losses for these securities has not been recorded as of December 31, 2022. Also, based on the scheduled maturities of the investments, the Company was more likely than not to hold these investments for a period of time sufficient for a recovery of the Company’s cost basis.

The Company recognized no material gains or losses on its cash equivalents and current and non-current marketable securities as of December 31, 2022 and as a result, the Company did not reclassify any amounts out of accumulated other comprehensive income (loss) for the year then ended.