Document And Entity Information - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Mar. 16, 2026 |
Jun. 30, 2025 |
|
| Document Information [Line Items] | |||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Document Period End Date | Dec. 31, 2025 | ||
| Document Transition Report | false | ||
| Entity File Number | 001-36210 | ||
| Entity Registrant Name | LiqTech International, Inc. | ||
| Entity Incorporation, State or Country Code | NV | ||
| Entity Tax Identification Number | 20-1431677 | ||
| Entity Address, Address Line One | Industriparken 22C | ||
| Entity Address, Postal Zip Code | DK 2750 | ||
| Entity Address, City or Town | Ballerup | ||
| Entity Address, Country | DK | ||
| City Area Code | 45 | ||
| Local Phone Number | 31315941 | ||
| Title of 12(b) Security | Common Stock, $0.001 par value | ||
| Trading Symbol | LIQT | ||
| Security Exchange Name | NASDAQ | ||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Non-accelerated Filer | ||
| Entity Small Business | true | ||
| Entity Emerging Growth Company | false | ||
| ICFR Auditor Attestation Flag | false | ||
| Document Financial Statement Error Correction [Flag] | false | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 9,702,533 | ||
| Entity Common Stock, Shares Outstanding (in shares) | 9,947,841 | ||
| Amendment Description | This Amendment No. 1 to the Annual Report on Form 10-K (this “Amendment No. 1”) of LiqTech International, Inc. (“LiqTech” or the “Company”) amends the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, which was filed with the Securities and Exchange Commission (“SEC”) on February 27, 2026 (the “Original Filing”). The Company is filing this Amendment No. 1 solely to file Part III (Items 10 through 14). This additional disclosure does not revise or alter the Company’s financial statements and any forward-looking statements contained in the Original Filing. Pursuant to Rule 12b-15 under the Exchange Act, this Amendment No. 1 contains new certifications pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, which are attached hereto as exhibits to this Amendment No. 1. | ||
| Entity Central Index Key | 0001307579 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Document Fiscal Year Focus | 2025 | ||
| Document Fiscal Period Focus | FY | ||
| Amendment Flag | true |