| Summary of Available-For-Sale Securities Recorded in Cash and Cash Equivalents or Marketable Securities |
The following table is a summary of available-for-sale securities recorded in cash and cash equivalents or marketable securities in our consolidated balance sheets as of December 31, 2019 and 2018 (in thousands):
|
|
|
December 31, 2019
|
|
|
|
|
Amortized
Cost
|
|
|
Unrealized
Gains
|
|
|
Unrealized
Losses
|
|
|
Fair
Value
|
|
|
Financial Assets:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money market funds
|
|
$
|
14,731
|
|
|
$
|
—
|
|
|
$
|
—
|
|
|
$
|
14,731
|
|
|
U.S. Treasury securities
|
|
|
5,285
|
|
|
|
1
|
|
|
|
(1
|
)
|
|
|
5,285
|
|
|
Commercial paper
|
|
|
15,174
|
|
|
|
12
|
|
|
|
—
|
|
|
|
15,186
|
|
|
Corporate debt securities
|
|
|
17,168
|
|
|
|
3
|
|
|
|
—
|
|
|
|
17,171
|
|
|
U.S. agency bonds
|
|
|
25,597
|
|
|
|
16
|
|
|
|
—
|
|
|
|
25,613
|
|
|
Total
|
|
$
|
77,955
|
|
|
$
|
32
|
|
|
$
|
(1
|
)
|
|
$
|
77,986
|
|
|
|
|
December 31, 2018
|
|
|
|
|
Amortized Cost
|
|
|
Unrealized
Gains
|
|
|
Unrealized
Losses
|
|
|
Fair Value
|
|
|
Financial Assets:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money market funds
|
|
$
|
23,156
|
|
|
$
|
—
|
|
|
$
|
—
|
|
|
$
|
23,156
|
|
|
U.S. Treasury securities
|
|
|
25,698
|
|
|
|
—
|
|
|
|
(6
|
)
|
|
|
25,692
|
|
|
Commercial paper
|
|
|
19,203
|
|
|
|
—
|
|
|
|
(13
|
)
|
|
|
19,190
|
|
|
Corporate debt securities
|
|
|
20,449
|
|
|
|
4
|
|
|
|
(2
|
)
|
|
|
20,451
|
|
|
U.S. agency bonds
|
|
|
17,921
|
|
|
|
—
|
|
|
|
(4
|
)
|
|
|
17,917
|
|
|
Total
|
|
$
|
106,427
|
|
|
$
|
4
|
|
|
$
|
(25
|
)
|
|
$
|
106,406
|
|
|
| Summary of Amortized Cost and Estimated Fair Value of Available-for-sale Securities by Contractual Maturity |
As of December 31, 2019, the amortized cost and estimated fair value of the Company’s available-for-sale securities by contractual maturity are shown below (in thousands):
|
|
|
Amortized
|
|
|
Estimated
|
|
|
|
|
Cost
|
|
|
Fair Value
|
|
|
Available-for-sale securities maturing:
|
|
|
|
|
|
|
|
|
|
In one year or less
|
|
$
|
77,955
|
|
|
$
|
77,986
|
|
|
Total available-for-sale securities
|
|
$
|
77,955
|
|
|
$
|
77,986
|
|
|