XML 43 R31.htm IDEA: XBRL DOCUMENT v3.19.2
ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) - Accounts payable and accrued expense - USD ($)
May 31, 2019
May 31, 2018
Accounts payable and accrued expense [Abstract]    
Accounts payable and accrued expenses $ 999,593 $ 655,599
Deferred rent 37,972 31,357
Total $ 1,037,565 $ 686,956