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Note 14 - Stockholders' Equity - Warrants (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Balance, Warrants (in shares) | 4,490,104 | 126,875
Warrants issued in connection with public offering and private placement (in shares) | 531,250 | 4,363,229
Common stock exchanged to prefunded warrant (in shares) | 0 | 0
Balance, Warrants (in shares) | 5,021,354 | 4,490,104

X
- Definition Number of warrants issued in exchanged of common stock during the period. + References No definition available. + Details
Name: | liqt_ClassOfWarrantOrRightIssuedByExchangeShares
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