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Note 12 - Subsequent Events (Details Textual)	Apr. 21, 2022
Subsequent Event [Member]
Reduction in Headcount and Labor Costs, Percent	25.00%

X

- Definition

Reduction in headcount and labor costs as a percentage.

+ References

No definition available.

+ Details

Name:	liqt_ReductionInHeadcountAndLaborCostsPercent
Namespace Prefix:	liqt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: