| Schedule of Cash Equivalents and Marketable Securities |
Cash equivalents and marketable securities consisted of the following:
|
|
|
March 31, 2021
|
|
|
|
|
Amortized
Cost Basis
|
|
|
Unrealized
Gains
|
|
|
Unrealized
(Losses)
|
|
|
Fair
Value
|
|
|
|
|
(in thousands)
|
|
|
Money market funds
|
|
$
|
53,776
|
|
|
$
|
–
|
|
|
$
|
–
|
|
|
$
|
53,776
|
|
|
Commercial paper
|
|
|
64,344
|
|
|
|
–
|
|
|
|
–
|
|
|
|
64,344
|
|
|
Corporate debt securities
|
|
|
64,708
|
|
|
|
14
|
|
|
|
(44
|
)
|
|
|
64,678
|
|
|
Asset-based securities
|
|
|
36,881
|
|
|
|
18
|
|
|
|
(10
|
)
|
|
|
36,889
|
|
|
U.S. government securities
|
|
|
59,832
|
|
|
|
33
|
|
|
|
–
|
|
|
|
59,865
|
|
|
Supranational debt securities
|
|
|
13,304
|
|
|
|
–
|
|
|
|
(10
|
)
|
|
|
13,294
|
|
|
Total
|
|
|
292,845
|
|
|
|
65
|
|
|
|
(64
|
)
|
|
|
292,846
|
|
|
Less amounts classified as cash equivalents
|
|
|
(53,776
|
)
|
|
|
–
|
|
|
|
–
|
|
|
|
(53,776
|
)
|
|
Total marketable securities
|
|
$
|
239,069
|
|
|
$
|
65
|
|
|
$
|
(64
|
)
|
|
$
|
239,070
|
|
|
|
|
December 31, 2020
|
|
|
|
|
Amortized
Cost Basis
|
|
|
Unrealized
Gains
|
|
|
Unrealized
(Losses)
|
|
|
Fair
Value
|
|
|
|
|
(in thousands)
|
|
|
Money market funds
|
|
$
|
204,632
|
|
|
$
|
–
|
|
|
$
|
–
|
|
|
$
|
204,632
|
|
|
Commercial paper
|
|
|
42,208
|
|
|
|
–
|
|
|
|
–
|
|
|
|
42,208
|
|
|
Corporate debt securities
|
|
|
25,669
|
|
|
|
48
|
|
|
|
(1
|
)
|
|
|
25,716
|
|
|
Asset-based securities
|
|
|
12,593
|
|
|
|
39
|
|
|
|
–
|
|
|
|
12,632
|
|
|
U.S. government securities
|
|
|
39,743
|
|
|
|
44
|
|
|
|
(2.00
|
)
|
|
|
39,785
|
|
|
Total
|
|
|
324,845
|
|
|
|
131
|
|
|
|
(3
|
)
|
|
|
324,973
|
|
|
Less amounts classified as cash equivalents
|
|
|
(204,632
|
)
|
|
|
–
|
|
|
|
–
|
|
|
|
(204,632
|
)
|
|
Total marketable securities
|
|
$
|
120,213
|
|
|
$
|
131
|
|
|
$
|
(3
|
)
|
|
$
|
120,341
|
|
|