Employee Benefit Plan - Additional Information (Detail) - Employee Savings Plan - USD ($) |
12 Months Ended | ||
|---|---|---|---|
May 31, 2018 |
May 31, 2017 |
May 31, 2016 |
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| Defined Contribution Plan Disclosure [Line Items] | |||
| Qualified non-elective contribution | 3.00% | ||
| Qualified non-elective contribution expense | $ 61,000 | $ 40,300 | $ 22,000 |
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- Definition Amount of cost for defined contribution plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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| X | ||||||||||
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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- Details
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