DERIVATIVE LIABILITY AND FAIR VALUE MEASUREMENTS (Detail Textuals)	Nov. 30, 2019 $ / shares
Series E offering
Derivative Liability And Fair Value Measurements [Line Items]
Share price	$ 7.60

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	artl_DerivativeLiabilityAndFairValueMeasurementsLineItems
Namespace Prefix:	artl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration