Quarterly report pursuant to Section 13 or 15(d)

Short-term Investments (Tables)

v3.10.0.1
Short-term Investments (Tables)
9 Months Ended
Sep. 30, 2018
Investments Debt And Equity Securities [Abstract]  
Held-to-maturity Securities

The following table summarizes the held-to-maturity securities held at September 30, 2018 and December 31, 2017 (in thousands):

 

 

 

Amortized

Cost

 

 

Unrealized

Gains

 

 

Unrealized

Losses

 

 

Fair Value

 

As of December 31, 2017

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government securities

 

$

11,462

 

 

$

74

 

 

$

(79

)

 

$

11,457

 

Commercial paper

 

 

11,962

 

 

 

 

 

 

 

 

 

11,962

 

Overnight repurchase agreement

 

 

9,000

 

 

 

 

 

 

 

 

 

9,000

 

Total short-term investments

 

$

32,424

 

 

$

74

 

 

$

(79

)

 

$

32,419

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Amortized

Cost

 

 

Unrealized

Gains

 

 

Unrealized

Losses

 

 

Fair Value

 

As of September 30, 2018

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government securities

 

$

14,953

 

 

$

11

 

 

$

(12

)

 

$

14,952

 

Commercial paper

 

 

8,955

 

 

 

 

 

 

 

 

 

8,955

 

Overnight repurchase agreement

 

 

9,500

 

 

 

 

 

 

 

 

 

9,500

 

Total short-term investments

 

$

33,408

 

 

$

11

 

 

$

(12

)

 

$

33,407