|
Composition of Certain Financial Statement Captions (Tables)
|
12 Months Ended |
|
Jan. 31, 2013
|
| Composition of Certain Financial Statement Captions |
|
| Schedule of cash, cash equivalents and short-term investments |
|
|
|
|
|
|
|
|
|
|
As of
January 31,
2012 |
|
As of
January 31,
2013 |
|
|
|
(in thousands)
|
|
|
Cash and cash equivalents:
|
|
|
|
|
|
|
|
|
Cash
|
|
$ |
6,604 |
|
$ |
22,703 |
|
|
Money market funds
|
|
|
31,614 |
|
|
32,522 |
|
|
Commercial paper
|
|
|
2,893 |
|
|
10,500 |
|
|
Corporate debt securities
|
|
|
3,015 |
|
|
— |
|
| |
|
|
|
|
|
|
Total cash and cash equivalents
|
|
$ |
44,126 |
|
$ |
65,725 |
|
| |
|
|
|
|
|
|
Short-term investments:
|
|
|
|
|
|
|
|
|
Commercial paper
|
|
$ |
27,587 |
|
$ |
13,592 |
|
|
Corporate debt securities
|
|
|
17,968 |
|
|
9,655 |
|
|
U.S. agency notes
|
|
|
900 |
|
|
— |
|
| |
|
|
|
|
|
|
Total short-term investments
|
|
$ |
46,455 |
|
$ |
23,247 |
|
| |
|
|
|
|
|
|
Cash, cash equivalents and short-term investments
|
|
$ |
90,581 |
|
$ |
88,972 |
|
| |
|
|
|
|
|
|
| Summary of available-for-sale securities' adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
As of January 31, 2012 |
|
|
|
Adjusted
Cost |
|
Unrealized
Gains |
|
Unrealized
Losses |
|
Fair
Value |
|
|
|
(in thousands)
|
|
|
Money market funds
|
|
$ |
31,614 |
|
$ |
— |
|
$ |
— |
|
$ |
31,614 |
|
|
Commercial paper
|
|
|
30,481 |
|
|
— |
|
|
(1 |
) |
|
30,480 |
|
|
Corporate debt securities
|
|
|
20,987 |
|
|
1 |
|
|
(5 |
) |
|
20,983 |
|
|
U.S. agency notes
|
|
|
900 |
|
|
— |
|
|
— |
|
|
900 |
|
| |
|
|
|
|
|
|
|
|
|
|
Total cash equivalents and marketable securities
|
|
$ |
83,982 |
|
$ |
1 |
|
$ |
(6 |
) |
$ |
83,977 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
As of January 31, 2013 |
|
|
|
Adjusted
Cost |
|
Unrealized
Gains |
|
Unrealized
Losses |
|
Fair
Value |
|
|
|
(in thousands)
|
|
|
Money market funds
|
|
$ |
32,522 |
|
$ |
— |
|
$ |
— |
|
$ |
32,522 |
|
|
Commercial paper
|
|
|
24,093 |
|
|
— |
|
|
(1 |
) |
|
24,092 |
|
|
Corporate debt securities
|
|
|
9,657 |
|
|
— |
|
|
(2 |
) |
|
9,655 |
|
| |
|
|
|
|
|
|
|
|
|
|
Total cash equivalents and marketable securities
|
|
$ |
66,272 |
|
$ |
— |
|
$ |
(3 |
) |
$ |
66,269 |
|
| |
|
|
|
|
|
|
|
|
|
|
| Schedule of accounts receivable, net |
|
|
|
|
|
|
|
|
|
|
As of January 31, |
|
|
|
2012 |
|
2013 |
|
|
|
(in thousands)
|
|
|
Accounts receivable
|
|
$ |
67,328 |
|
$ |
104,171 |
|
|
Allowance for doubtful accounts
|
|
|
(590 |
) |
|
(761 |
) |
| |
|
|
|
|
|
|
Accounts receivable, net
|
|
$ |
66,738 |
|
$ |
103,410 |
|
| |
|
|
|
|
|
|
| Schedule of allowance for doubtful accounts |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Allowance for Doubtful Accounts
|
|
Balance at
Beginning of
Fiscal Year |
|
Additions |
|
Write-offs,
net of
recoveries |
|
Balance at
End of
Fiscal Year |
|
|
|
(in thousands)
|
|
|
For fiscal year ended January 31, 2011
|
|
$ |
36 |
|
$ |
485 |
|
$ |
(18 |
) |
$ |
503 |
|
|
For fiscal year ended January 31, 2012
|
|
|
503 |
|
|
492 |
|
|
(405 |
) |
|
590 |
|
|
For fiscal year ended January 31, 2013
|
|
|
590 |
|
|
659 |
|
|
(488 |
) |
|
761 |
|
|
| Property and Equipment |
|
| Schedule of property and equipment |
|
|
|
|
|
|
|
|
|
|
As of January 31, |
|
|
|
2012 |
|
2013 |
|
|
|
(in thousands)
|
|
|
Software developed for internal use
|
|
$ |
— |
|
$ |
1,095 |
|
|
Servers, computers and other related equipment
|
|
|
15,313 |
|
|
19,461 |
|
|
Office furniture and equipment
|
|
|
1,411 |
|
|
1,722 |
|
|
Construction in progress
|
|
|
234 |
|
|
2,264 |
|
|
Leasehold improvements
|
|
|
5,122 |
|
|
6,142 |
|
| |
|
|
|
|
|
|
|
|
|
22,080 |
|
|
30,684 |
|
|
Less accumulated depreciation and amortization
|
|
|
(6,504 |
) |
|
(12,926 |
) |
| |
|
|
|
|
|
|
Property and equipment, net
|
|
$ |
15,576 |
|
$ |
17,758 |
|
| |
|
|
|
|
|
|