Fair Value Measurements (Tables)
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6 Months Ended |
Jul. 31, 2017 |
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| Fair Value Disclosures [Abstract] |
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| Fair Value of Financial Assets and Liabilities Measured on Recurring Basis |
The following tables set forth our financial assets and liabilities that were accounted for at fair value on a recurring basis as of July 31, 2017 and January 31, 2017. There were no fair value measurements of our financial assets and liabilities using significant Level 3 inputs for the periods presented:
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Fair Value at July 31, 2017 Using
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Quoted
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Prices in
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Significant
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Active
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Other
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Markets for
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Observable
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July 31,
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Identical Assets
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Inputs
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2017
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(Level 1)
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(Level 2)
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(Amounts in thousands)
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Financial assets:
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Cash equivalents (a)
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$
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2,701
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$
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1,998
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$
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703
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Available-for-sale marketable securities:
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Current marketable securities:
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U.S. treasury notes and bonds - conventional
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1,547
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1,547
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—
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U.S. government agency issues
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2,996
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—
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2,996
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Non-current marketable securities:
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U.S. treasury notes and bonds - conventional
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2,986
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2,986
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—
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U.S. government agency issues
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996
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—
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996
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Corporate bonds
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1,762
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—
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1,762
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Total
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$
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12,988
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$
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6,531
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$
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6,457
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Fair Value at January 31, 2017 Using
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Quoted
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Prices in
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Significant
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Active
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Other
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Markets for
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Observable
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January 31,
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Identical Assets
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Inputs
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2017
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(Level 1)
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(Level 2)
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(Amounts in thousands)
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Financial assets:
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Cash equivalents (a)
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$
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2,726
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$
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2,726
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$
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—
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Available-for-sale marketable securities:
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Current marketable securities:
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U.S. treasury notes and bonds - conventional
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4,253
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4,253
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—
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U.S. government agency issues
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1,000
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—
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1,000
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Non-current marketable securities:
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U.S. treasury notes and bonds - conventional
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1,997
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1,997
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—
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U.S. government agency issues
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2,994
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—
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2,994
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Total
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$
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12,970
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$
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8,976
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$
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3,994
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(a)
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Money market funds and U.S. treasury bills are included in cash and cash equivalents on the accompanying consolidated balance sheets.
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| Summary of Available-for-Sale Securities |
The following is a summary of cash, cash equivalents and available-for-sale securities, including the cost basis, aggregate fair value and gross unrealized gains and losses, for short- and long-term marketable securities portfolio as of July 31, 2017 and January 31, 2017:
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Amortized
Cost
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Gross
Unrealized
Gains
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Gross
Unrealized
Losses
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Estimated
Fair Value
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(Amounts in thousands)
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July 31, 2017
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Cash
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$
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22,594
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$
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—
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$
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—
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$
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22,594
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Cash equivalents
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2,698
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3
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—
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2,701
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Cash and cash equivalents
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25,292
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3
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—
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25,295
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U.S. treasury notes and bonds - short-term
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1,548
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1
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(2
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1,547
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U.S. treasury notes and bonds - long-term
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2,992
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—
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(6
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2,986
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U.S. government agency issues - short-term
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2,983
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15
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(2
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2,996
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U.S. government agency issues - long-term
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1,003
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—
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(7
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996
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Corporate bonds - long-term
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1,763
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—
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(1
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1,762
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Total cash, cash equivalents and marketable securities
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$
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35,581
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$
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19
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$
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(18
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$
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35,582
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January 31, 2017
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Cash
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$
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25,576
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$
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—
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$
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—
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$
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25,576
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Cash equivalents
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2,726
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—
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—
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2,726
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Cash and cash equivalents
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28,302
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—
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—
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28,302
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U.S. treasury notes and bonds - short-term
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4,248
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5
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—
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4,253
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U.S. treasury notes and bonds - long-term
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2,003
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—
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(6
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)
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1,997
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U.S. government agency issues - short-term
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991
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9
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—
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1,000
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U.S. government agency issues - long-term
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2,996
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—
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(2
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2,994
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Total cash, cash equivalents and marketable securities
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$
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38,540
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$
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14
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$
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(8
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$
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38,546
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| Schedule of Contractual Maturities Available-for-Sale Investments |
Contractual maturities of available-for-sale investments as of July 31, 2017 are as follows (amounts in thousands):
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Estimated
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Fair Value
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Maturity of one year or less
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$
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4,543
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Maturity between one and five years
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5,744
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Total
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$
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10,287
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