Employee Benefit Plan - Additional Information (Detail) - Employee Savings Plan - USD ($) |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Feb. 28, 2018 |
Feb. 28, 2017 |
Feb. 28, 2018 |
Feb. 28, 2017 |
|
Defined Contribution Plan Disclosure [Line Items] | ||||
Qualified non-elective contribution | 3.00% | |||
Qualified non-elective contribution expense | $ 30,200 | $ 10,800 | $ 51,700 | $ 29,500 |
X | ||||||||||
- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- 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.
|
X | ||||||||||
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
|
X | ||||||||||
- Details
|