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Note 10 - Stockholders' Equity - Warrants (Details) - shares	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Outstanding (in shares)	11,391,225	5,021,354
Warrants issued in connection with public offering and private placement (in shares)	0	1,139,831
Exercises and conversions (in shares)	0	0
Outstanding (in shares)	11,391,225	6,161,185

X

- Definition

The number of warrants or rights exercised or converted during period.

+ References

No definition available.

+ Details

Name:	liqt_ClassOfWarrantOrRightExercisedOrConvertedDuringPeriod
Namespace Prefix:	liqt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of warrants or rights issued during period.

+ References

No definition available.

+ Details

Name:	liqt_ClassOfWarrantOrRightIssuedDuringPeriod
Namespace Prefix:	liqt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant