| Schedule of Cash Equivalents and Marketable Securities |
Cash equivalents and marketable securities consisted of the following:
|
|
|
September 30, 2019
|
|
|
|
|
Amortized
Cost Basis
|
|
|
Unrealized
Gains
|
|
|
Unrealized
(Losses)
|
|
|
Fair
Value
|
|
|
|
|
(in thousands)
|
|
|
Money market funds
|
|
$
|
10,416
|
|
|
$
|
–
|
|
|
$
|
–
|
|
|
$
|
10,416
|
|
|
Commercial paper
|
|
|
19,399
|
|
|
|
–
|
|
|
|
–
|
|
|
|
19,399
|
|
|
Corporate debt securities
|
|
|
64,917
|
|
|
|
113
|
|
|
|
(6
|
)
|
|
|
65,024
|
|
|
Asset-based securities
|
|
|
26,978
|
|
|
|
67
|
|
|
|
(2
|
)
|
|
|
27,043
|
|
|
U.S. government agencies
|
|
|
26,915
|
|
|
|
54
|
|
|
|
(3
|
)
|
|
|
26,966
|
|
|
Total
|
|
|
148,625
|
|
|
|
234
|
|
|
|
(11
|
)
|
|
|
148,848
|
|
|
Less amounts classified as cash equivalents
|
|
|
(10,416
|
)
|
|
|
–
|
|
|
|
–
|
|
|
|
(10,416
|
)
|
|
Total marketable securities
|
|
$
|
138,209
|
|
|
$
|
234
|
|
|
$
|
(11
|
)
|
|
$
|
138,432
|
|
|
|
|
December 31, 2018
|
|
|
|
|
Amortized
Cost Basis
|
|
|
Unrealized
Gains
|
|
|
Unrealized
(Losses)
|
|
|
Fair
Value
|
|
|
|
|
(in thousands)
|
|
|
Money market funds
|
|
$
|
116,202
|
|
|
$
|
–
|
|
|
$
|
–
|
|
|
$
|
116,202
|
|
|
Commercial paper
|
|
|
26,625
|
|
|
|
–
|
|
|
|
–
|
|
|
|
26,625
|
|
|
Corporate debt securities
|
|
|
11,795
|
|
|
|
–
|
|
|
|
(21
|
)
|
|
|
11,774
|
|
|
Asset-based securities
|
|
|
16,920
|
|
|
|
–
|
|
|
|
(21
|
)
|
|
|
16,899
|
|
|
U.S. government agencies
|
|
|
23,901
|
|
|
|
–
|
|
|
|
(5
|
)
|
|
|
23,896
|
|
|
Total
|
|
|
195,443
|
|
|
|
–
|
|
|
|
(47
|
)
|
|
|
195,396
|
|
|
Less amounts classified as cash equivalents
|
|
|
(116,202
|
)
|
|
|
–
|
|
|
|
–
|
|
|
|
(116,202
|
)
|
|
Total marketable securities
|
|
$
|
79,241
|
|
|
$
|
–
|
|
|
$
|
(47
|
)
|
|
$
|
79,194
|
|
|