Note 7 - Agreements and Commitments (Details Textual)	9 Months Ended
Sep. 30, 2023
Minimum [Member]
Standard Product Warranty, Term (Year)	1 year
Maximum [Member]
Standard Product Warranty, Term (Year)	3 years
Extended Product Warranty, Term (Year)	4 years

The period for the extended product warranty, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	liqt_ExtendedProductWarrantyTerm
Namespace Prefix:	liqt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration