Unrealized

Unrealized

Fair

December 31, 2020

Amortized Cost

Gains

Losses

Value

Cash and cash equivalents:

Cash and money market funds

$

173,984

$

—

$

—

$

173,984

Total:

$

173,984

$

—

$

—

$

173,984

Unrealized

Unrealized

Fair

December 31, 2019

Amortized Cost

Gains

Losses

Value

Cash and cash equivalents:

Cash and money market funds

$

29,441

$

—

$

—

$

29,441

Overnight repurchase agreements

12,000

—

—

12,000

Marketable securities:

U.S. treasury obligations

49,951

24

—

49,975

Total:

$

91,392

$

24

$

—

$

91,416