Classification of Compensation Expense Associated with Share-Based Payments (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2018 |
Mar. 31, 2017 |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Allocated Share-based Compensation Expense | $ 701 | $ 379 |
| Cost Of Revenue | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Allocated Share-based Compensation Expense | 57 | 40 |
| Sales and Marketing | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Allocated Share-based Compensation Expense | 80 | 73 |
| General and Administrative | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Allocated Share-based Compensation Expense | 467 | 193 |
| Engineering And Development | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Allocated Share-based Compensation Expense | $ 97 | $ 73 |
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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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