| 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
October 31, 2016 and January 31, 2016. 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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| |
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Fair Value at October 31, 2016 Using
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| |
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Quoted |
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|
|
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| |
|
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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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| |
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Markets
for |
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Observable
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| |
|
October 31,
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Identical Assets
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|
Inputs |
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| |
|
2016 |
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|
(Level 1) |
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|
(Level 2) |
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| |
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(Amounts in
thousands) |
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Financial assets:
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|
|
|
|
|
|
|
|
|
|
|
|
Money market accounts (a)
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$ |
2,721 |
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|
$ |
2,721 |
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|
$ |
— |
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|
Available-for-sale marketable securities:
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|
|
|
|
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Current marketable securities:
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|
|
|
|
|
|
|
|
|
|
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|
U.S. treasury notes and bonds - conventional
|
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|
4,256 |
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|
4,256 |
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|
|
— |
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Non-current marketable securities:
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|
|
|
|
|
|
|
|
|
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U.S. treasury notes and bonds - conventional
|
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|
2,004 |
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|
2,004 |
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|
|
— |
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U.S. government agency issues
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|
4,010 |
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|
|
— |
|
|
|
4,010 |
|
|
|
|
|
|
|
|
|
|
|
|
|
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Total
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$ |
12,991 |
|
|
$ |
8,981 |
|
|
$ |
4,010 |
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Fair Value at January 31, 2016 Using
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| |
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Quoted |
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| |
|
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|
|
Prices
in |
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|
Significant
|
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| |
|
|
|
|
Active |
|
|
Other |
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| |
|
|
|
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Markets
for |
|
|
Observable
|
|
| |
|
January 31,
|
|
|
Identical Assets
|
|
|
Inputs |
|
| |
|
2016 |
|
|
(Level 1) |
|
|
(Level 2) |
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| |
|
(Amounts in
thousands) |
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Financial assets:
|
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|
|
|
|
|
|
|
|
|
|
|
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Money market accounts (a)
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$ |
3,654 |
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|
$ |
3,654 |
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|
$ |
— |
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|
Available-for-sale marketable securities:
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|
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|
|
|
|
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|
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|
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Current marketable securities:
|
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|
|
|
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|
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|
|
|
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|
U.S. treasury notes and bonds - conventional
|
|
|
502 |
|
|
|
502 |
|
|
|
— |
|
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U.S. government agency issues
|
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|
1,002 |
|
|
|
— |
|
|
|
1,002 |
|
|
Non-current marketable securities:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
U.S. treasury notes and bonds - conventional
|
|
|
7,762 |
|
|
|
7,762 |
|
|
|
|
|
|
U.S. government agency issues
|
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|
3,002 |
|
|
|
— |
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|
3,002 |
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|
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Total
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$ |
15,922 |
|
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$ |
11,918 |
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$ |
4,004 |
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| (a) |
Money market funds and U.S. treasury
bills are included in cash and cash equivalents on the accompanying
consolidated balance sheets and are valued at quoted market prices
for identical instruments in active markets. |
|
| 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
October 31, 2016 and January 31, 2016:
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| |
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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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October 31, 2016:
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|
|
|
|
|
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|
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|
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Cash
|
|
$ |
24,763 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
24,763 |
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Cash equivalents
|
|
|
2,721 |
|
|
|
— |
|
|
|
— |
|
|
|
2,721 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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Cash and cash equivalents
|
|
|
27,484 |
|
|
|
— |
|
|
|
— |
|
|
|
27,484 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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U.S. treasury notes and bonds - short-term
|
|
|
4,250 |
|
|
|
6 |
|
|
|
— |
|
|
|
4,256 |
|
|
U.S. treasury notes and bonds - long-term
|
|
|
2,004 |
|
|
|
1 |
|
|
|
(1 |
) |
|
|
2,004 |
|
|
U.S, government agency issues - long-term
|
|
|
3,987 |
|
|
|
23 |
|
|
|
— |
|
|
|
4,010 |
|
|
|
|
|
|
|
|
|
|
|
|
|
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Total cash, cash equivalents and marketable securities
|
|
$ |
37,725 |
|
|
$ |
30 |
|
|
$ |
(1 |
) |
|
$ |
37,754 |
|
|
|
|
|
|
|
|
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|
|
|
|
|
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|
January 31, 2016:
|
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|
|
|
|
|
|
|
|
|
|
|
|
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|
Cash
|
|
$ |
55,079 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
55,079 |
|
|
Cash equivalents
|
|
|
3,654 |
|
|
|
— |
|
|
|
— |
|
|
|
3,654 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cash and cash equivalents
|
|
|
58,733 |
|
|
|
— |
|
|
|
— |
|
|
|
58,733 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
U.S. treasury notes and bonds - short-term
|
|
|
503 |
|
|
|
— |
|
|
|
(1 |
) |
|
|
502 |
|
|
U.S. treasury notes and bonds - long-term
|
|
|
7,756 |
|
|
|
6 |
|
|
|
— |
|
|
|
7,762 |
|
|
U.S, government agency issues - short-term
|
|
|
1,001 |
|
|
|
1 |
|
|
|
— |
|
|
|
1,002 |
|
|
U.S, government agency issues - long-term
|
|
|
2,977 |
|
|
|
25 |
|
|
|
|
|
|
|
3,002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total cash, cash equivalents and marketable securities
|
|
$ |
70,970 |
|
|
$ |
32 |
|
|
$ |
(1 |
) |
|
$ |
71,001 |
|
|
|
|
|
|
|
|
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|