XML 51 R40.htm IDEA: XBRL DOCUMENT
v3.20.2

Note 5 - Agreements and Commitments (Details Textual) |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 27, 2019 USD ($) | Feb. 27, 2019 DKK (kr) | Nov. 20, 2018 USD ($) | Nov. 20, 2018 DKK (kr) | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Dec. 31, 2018
Defined Contribution Plan, Cost |  |  |  |  | $ 3,949 | $ 2,621 | $ 6,984 | $ 5,677 |
Warranty Accrual, Percent |  |  |  |  | 3.00% |  | 3.00% |  | 7.00%
Purchase Obligation, Total |  |  |  |  | $ 3,800,000 |  | $ 3,800,000 |  |
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 |  |
LiqTech International AS [Member] | Claim with Former Supplier for Breach of Agreement [Member] |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  | $ 68,800 | kr 448,500 |  |  |  |  |
LiqTech International AS [Member] | Claim with Former Supplier for Services Rendered [Member] |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value | $ 83,400 | kr 543,905 |  |  |  |  |  |  |

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
- Definition Represents the percentage of warranty accrual. + References No definition available. + Details
Name: | liqt_WarrantyAccrualPercent
Namespace Prefix: | liqt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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: |

X
- Details
Name: | dei_LegalEntityAxis=liqt_LiqTechInternationalASMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=liqt_ClaimWithFormerSupplierForBreachOfAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=liqt_ClaimWithFormerSupplierForServicesRenderedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |