Intangible Assets, Net - Schedule of Intangible Assets, Net (Detail) - USD ($) $ in Thousands	May 31, 2019	May 31, 2018
Intangible assets with indefinite lives:
Intangible assets with indefinite lives, Gross	$ 238	$ 256
Intangible assets with finite lives:
Intangible assets, gross	22,784	14,121
Less: accumulated amortization	(8,985)	(5,272)
Exchange differences	136	(305)
Intangible assets	13,935	8,544
Trademark [Member]
Intangible assets with finite lives:
Intangible assets with finite lives, Gross	9,109	5,575
Courseware [Member]
Intangible assets with finite lives:
Intangible assets with finite lives, Gross	120	129
Student base [Member]
Intangible assets with finite lives:
Intangible assets with finite lives, Gross	12,223	7,014
Favorable lease [Member]
Intangible assets with finite lives:
Intangible assets with finite lives, Gross	679	732
License [Member]
Intangible assets with finite lives:
Intangible assets with finite lives, Gross	$ 415	$ 415

Intangible assets accumulated exchange difference.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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- Definition

Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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