Percentage of the Company owned by a beneficial owner.

No definition available.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares authorized to issue and sell to investors under a common stock purchase agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	lqmt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The value of shares authorized to issue and sell to investors under a common stock purchase agreement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The base annual salary for the officer or employee pursuant to the separation agreement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The period for the continuation of officer's pr employee's base annual salary pursuant to the separation agreement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

The period for COBRA healthcare coverage provided by the company to the officer or employee pursuant to the separation agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	lqmt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15(a))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
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-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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Note 19 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands		12 Months Ended
	Aug. 16, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Mar. 10, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number		17,919,954
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number		13,455,439
Share-based Payment Arrangement, Accelerated Cost		$ 0	$ 66
The 2016 Purchase Agreement [Member]
Common Stock Purchase Agreement, Number of Shares Authorized to Issue and Sell to Investors					405,000,000
Common Stock Purchase Agreement, Value of Shares Authorized to Issue and Sell to Investors					$ 63,400
Former CFO [Member] \| Former CFO Separation Agreement [Member]
Separation Agreement, Base Annual Salary	$ 240
Separation Agreement, Period for Base Annual Salary	1 year
Separation Agreement, Period for COBRA Healthcare Coverage	1 year
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	247,650
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	2,889,749
Share-based Payment Arrangement, Accelerated Cost			48	$ 89
Accrued Liabilities, Total		$ 0	0
Chairman of Eontec [Member] \| Minimum [Member]
Beneficial Ownership Percentage		5.00%
Eontec [Member] \| License Agreement [Member]
Related Party Transaction, Amounts of Transaction		$ 31	$ 213