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Unearned Revenue (Detail Textuals) - USD ($) |  | 12 Months Ended
--- | --- | ---
May 14, 2016 | Aug. 31, 2018 | Aug. 31, 2017
Deferred Revenue [Abstract] |  |  |
Earned revenue |  | $ (17,083) | $ (30,317)
Licensing fees, term of contract | 2 years |  |

X
- Definition Licensing fees, term of contract + References No definition available. + Details
Name: | lxrp_LicensingFeesTermOfContract
Namespace Prefix: | lxrp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DeferredRevenueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revenue recognized that was previously reported as deferred or unearned revenue. + References No definition available. + Details
Name: | us-gaap_DeferredRevenueRevenueRecognized1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration