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Note 7 - Agreements and Commitments (Details Textual)	3 Months Ended
	Mar. 31, 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

X

- Definition

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.

+ References

No definition available.

+ Details

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

X

- Definition

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

+ References

No definition available.

+ Details

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

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: