COMMITMENTS AND CONTINGENCIES (Details) - OPERATING LEASES - USD ($) |
12 Months Ended | ||
---|---|---|---|
Nov. 01, 2016 |
May 31, 2022 |
May 31, 2021 |
|
Building In Irvine California [Member] | First Amendment To Lease [Member] | |||
COMMITMENTS AND CONTINGENCIES (Details) - OPERATING LEASES [Line Items] | |||
Lease Expiration Date | Aug. 31, 2021 | ||
Operating Lease, Expense | $ 25,000 | ||
Security Deposit | 26,000 | ||
Property Available for Operating Lease [Member] | MEXICO | |||
COMMITMENTS AND CONTINGENCIES (Details) - OPERATING LEASES [Line Items] | |||
Operating Lease, Expense | $ 3,400 | 42,000 | $ 25,000 |
Lease Expiration Period | 10 years | ||
Property Available for Operating Lease [Member] | UNITED STATES | |||
COMMITMENTS AND CONTINGENCIES (Details) - OPERATING LEASES [Line Items] | |||
Operating Lease, Expense | $ 310,000 | $ 295,000 |