11. LEASES (Details Narrative) $ in Thousands	3 Months Ended	9 Months Ended
Feb. 29, 2020 USD ($)	Feb. 29, 2020 USD ($)
Operating lease, weighted-average remaining lease term	3 years 4 months 24 days	3 years 4 months 24 days
Operating lease, weighted-average discount rate	5.50%	5.50%
Operating lease, cost	$ 183	$ 548
Minimum
Operating lease term	1 year	1 year
Maximum
Operating lease term	3 years	3 years

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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