XML 40 R28.htm IDEA: XBRL DOCUMENT
v3.25.3

Note 7 - Related Party Transactions (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Notes Tables |
Schedule of Related Party Transactions [Table Text Block] |
|  | Three Months Ended September 30,
|  | 2025 |  | 2024
|  | Income |  | Expense |  | Income |  | Expense
GAMCO Investors, Inc. |  | $ | 177 |  |  | $ | — |  |  | $ | 444 |  |  | $ | — |
M-tron Industries, Inc. |  |  | — |  |  |  | 40 |  |  |  | — |  |  |  | (15 | )
Total |  | $ | 177 |  |  | $ | 40 |  |  | $ | 444 |  |  | $ | (15 | )
|  | Nine Months Ended September 30,
|  | 2025 |  | 2024
|  | Income |  | Expense |  | Income |  | Expense
GAMCO Investors, Inc. |  | $ | 891 |  |  | $ | — |  |  | $ | 1,293 |  |  | $ | — |
M-tron Industries, Inc. |  |  | — |  |  |  | 48 |  |  |  | — |  |  |  | (44 | )
Total |  | $ | 891 |  |  | $ | 48 |  |  | $ | 1,293 |  |  | $ | (44 | )
|  | September 30, 2025 |  | December 31, 2024
|  | Assets |  | Liabilities |  | Assets |  | Liabilities
GAMCO Investors, Inc. |  | $ | 35,515 |  |  | $ | — |  |  | $ | 34,242 |  |  | $ | — |
M-tron Industries, Inc. |  |  | — |  |  |  | 196 |  |  |  | — |  |  |  | 59 |
Total |  | $ | 35,515 |  |  | $ | 196 |  |  | $ | 34,242 |  |  | $ | 59 |

X
- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 + Details
Name: | us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration