XML 64 R42.htm IDEA: XBRL DOCUMENT
v3.24.1

Note 2 - Summary of Significant Accounting Policies - Subsidiaries (Details) | 12 Months Ended
--- | ---
Dec. 31, 2023
Precise Time and Frequency, LLC [Member] | DELAWARE |  |
Ownership Percentage, Parent | 100.00% |
P3 Logistic Solutions LLC [Member] | DELAWARE |  |
Ownership Percentage, Parent | 100.00% |
Lynch Capital International, LLC [Member] | DELAWARE |  |
Ownership Percentage, Parent | 100.00% |
LGL Systems Acquisition Holding Company, LLC [Member] | DELAWARE |  |
Ownership Percentage, VIE | 34.80% | [1]
Lynch Systems Acquisition Holdings Company, LLC [Member] | DELAWARE |  |
Ownership Percentage, Parent | 100.00% |
L G L Systems Nevada Management Partners L L C [Member] | NEVADA |  |
Ownership Percentage, Parent | 1.00% | [2]
[1] | Entity is a consolidated VIE
[2] | Entity is an unconsolidated VIE

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481203/810-10-50-5A + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_OwnershipAxis=lgl_PreciseTimeAndFrequencyLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_DE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=lgl_P3LogisticSolutionsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=lgl_LynchCapitalInternationalLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=lgl_LGLSystemsAcquisitionHoldingCompanyLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=lgl_LynchSystemsAcquisitionHoldingsCompanyLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=lgl_LGLSystemsNevadaManagementPartnersLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_NV
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |