Note 10 - Stockholders' Equity - Warrants (Details) - shares	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Outstanding (in shares)	5,021,354	4,490,104
Warrants issued in connection with public offering and private placement (in shares)	1,139,831	531,250
Exercises and conversions (in shares)	0	0
Outstanding (in shares)	6,161,185	5,021,354

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

No definition available.

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