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: