Revenue from Contracts with Customers - Schedule of Cumulative Effect of Changes on Consolidated Balance Sheet of Adoption of New Guidance under Modified Retrospective Method (Detail) - USD ($) $ in Thousands |
Jul. 31, 2018 |
Feb. 01, 2018 |
Jan. 31, 2018 |
|---|---|---|---|
| Assets | |||
| Unbilled receivables | $ 5,330 | $ 3,238 | $ 3,101 |
| Prepaid expenses and other current assets | 4,996 | 4,381 | 3,557 |
| Liabilities | |||
| Deferred revenues | 8,504 | 13,075 | |
| Stockholders' equity: | |||
| Accumulated loss | (160,852) | (146,301) | (148,620) |
| Under ASC 605 [Member] | ASU 2014-09 [Member] | |||
| Assets | |||
| Unbilled receivables | 5,114 | 3,101 | |
| Prepaid expenses and other current assets | 4,361 | 3,557 | |
| Liabilities | |||
| Deferred revenues | 13,755 | 14,433 | |
| Stockholders' equity: | |||
| Accumulated loss | (166,954) | $ (148,620) | |
| Adjustment [Member] | ASU 2014-09 [Member] | |||
| Assets | |||
| Unbilled receivables | 216 | 137 | |
| Prepaid expenses and other current assets | 635 | 824 | |
| Liabilities | |||
| Deferred revenues | (5,251) | (1,358) | |
| Stockholders' equity: | |||
| Accumulated loss | $ 6,102 | $ 2,319 |
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- References No definition available.
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- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. No definition available.
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- References No definition available.
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. No definition available.
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