| Schedule of cash and available-for-sale investments' adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category recorded as cash and cash equivalents or short- or long-term investments |
The following tables show the Company’s cash and available-for-sale investments’ adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category, recorded as cash and cash equivalents or short- or long-term investments as of September 30, 2017 and December 31, 2016 (in thousands):
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September 30, 2017
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Cash and
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Adjusted
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Unrealized
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Unrealized
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Cash
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Short-term
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Long-term
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Cost
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Gains
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Losses
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Fair Value
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Equivalents
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Investments
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Investments
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Cash
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$
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20,170
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$
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—
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$
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—
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$
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20,170
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$
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20,170
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$
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—
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$
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—
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Level 1:
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Money market funds
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5,061
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—
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—
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5,061
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5,061
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—
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—
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U.S. government notes
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6,998
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—
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(4)
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6,994
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1,899
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5,095
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—
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Subtotal
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12,059
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—
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(4)
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12,055
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6,960
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5,095
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—
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Level 2:
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Asset-backed securities
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1,000
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—
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—
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1,000
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—
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1,000
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—
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Corporate bonds
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18,367
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—
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(8)
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18,359
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—
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16,846
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1,513
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Commercial paper
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20,023
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—
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—
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20,023
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1,497
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18,526
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—
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Subtotal
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39,390
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—
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(8)
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39,382
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1,497
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36,372
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1,513
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Total
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$
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71,619
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$
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—
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$
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(12)
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$
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71,607
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$
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28,627
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$
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41,467
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$
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1,513
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December 31, 2016
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Cash and
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Adjusted
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Unrealized
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Unrealized
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Cash
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Short-term
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Long-term
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Cost
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Gains
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Losses
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Fair Value
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Equivalents
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Investments
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Investments
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Cash
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$
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24,708
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$
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—
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$
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—
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$
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24,708
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$
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24,708
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$
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—
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$
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—
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Level 1:
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Money market funds
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10,105
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—
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—
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10,105
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10,105
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—
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—
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U.S. government notes
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2,001
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—
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(1)
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2,000
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—
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2,000
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—
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Subtotal
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12,106
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—
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(1)
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12,105
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10,105
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2,000
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—
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Level 2:
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Asset-backed securities
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4,008
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—
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—
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4,008
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—
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—
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4,008
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Corporate bonds
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13,902
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—
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(14)
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13,888
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—
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13,888
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—
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Commercial paper
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7,082
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—
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—
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7,082
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—
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7,082
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—
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Subtotal
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24,992
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—
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(14)
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24,978
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—
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20,970
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4,008
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Total
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$
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61,806
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$
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—
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$
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(15)
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$
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61,791
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$
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34,813
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$
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22,970
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$
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4,008
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