|
The following table summarizes the held-to-maturity securities held at June 30, 2020 and December 31, 2019 (in thousands):
|
|
|
Amortized
Cost
|
|
|
Unrealized
Gains
|
|
|
Unrealized
Losses
|
|
|
Fair Value
|
|
|
As of June 30, 2020
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Commercial paper
|
|
$
|
3,594
|
|
|
|
—
|
|
|
|
—
|
|
|
$
|
3,594
|
|
|
Total short-term investments
|
|
$
|
3,594
|
|
|
|
—
|
|
|
|
—
|
|
|
$
|
3,594
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Amortized
Cost
|
|
|
Unrealized
Gains
|
|
|
Unrealized
Losses
|
|
|
Fair Value
|
|
|
As of December 31, 2019
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
U.S. government securities
|
|
$
|
1,996
|
|
|
$
|
15
|
|
|
$
|
(14
|
)
|
|
$
|
1,997
|
|
|
Commercial paper
|
|
|
998
|
|
|
|
—
|
|
|
|
—
|
|
|
|
998
|
|
|
Overnight repurchase agreement
|
|
|
3,500
|
|
|
|
—
|
|
|
|
—
|
|
|
|
3,500
|
|
|
Total short-term investments
|
|
$
|
6,494
|
|
|
$
|
15
|
|
|
$
|
(14
|
)
|
|
$
|
6,495
|
|
|