Recent Accounting Guidance (Detail Textuals)	12 Months Ended
Aug. 31, 2019 USD ($)
Accounting Changes and Error Corrections [Abstract]
Estimation impact on financial statements	$ 14,247

Change in accounting policy, impact on financial statements

No definition available.

Name:	lxrp_ChangeInAccountingPolicyImpactOnFinancialStatements
Namespace Prefix:	lxrp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration