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Note 2 - Summary of Significant Accounting Policies - Subsidiaries (Details) | 12 Months Ended
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Dec. 31, 2024
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

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- 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
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