Classification of Compensation Expense Associated with Share-Based Payments (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Allocated Share-based Compensation Expense | $ 464 | $ 688 | $ 1,604 | $ 2,468 |
| Cost Of Revenue | ||||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Allocated Share-based Compensation Expense | 69 | 29 | 176 | 198 |
| Sales and Marketing | ||||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Allocated Share-based Compensation Expense | 53 | 89 | 219 | 410 |
| General and Administrative | ||||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Allocated Share-based Compensation Expense | 279 | 522 | 978 | 1,614 |
| Engineering And Development | ||||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Allocated Share-based Compensation Expense | $ 63 | $ 48 | $ 231 | $ 246 |
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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