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Note 17 - Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Quarterly Financial Information [Table Text Block] |
|  | Three months ended
(in thousands, except share data) |  | March 31, 2023 |  | June 30, 2023 |  | September 30, 2023 |  | December 31, 2023
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 441 |  |  | $ | 403 |  |  | $ | 438 |  |  | $ | 446 |
Net investment income |  |  | 198 |  |  |  | 275 |  |  |  | 544 |  |  |  | 549 |
Net gains (losses) (a) |  |  | 345 |  |  |  | 43 |  |  |  | (4 | ) |  |  | — |
Total revenues |  |  | 984 |  |  |  | 721 |  |  |  | 978 |  |  |  | 995 |
Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Manufacturing cost of sales |  |  | 192 |  |  |  | 208 |  |  |  | 195 |  |  |  | 201 |
Engineering, selling and administrative |  |  | 542 |  |  |  | 645 |  |  |  | 584 |  |  |  | 465 |
Total expenses |  |  | 734 |  |  |  | 853 |  |  |  | 779 |  |  |  | 666 |
Income (loss) from continuing operations before income taxes |  |  | 250 |  |  |  | (132 | ) |  |  | 199 |  |  |  | 329 |
Income tax expense (benefit) |  |  | 65 |  |  |  | (2 | ) |  |  | 69 |  |  |  | 169 |
Net income (loss) from continuing operations |  |  | 185 |  |  |  | (130 | ) |  |  | 130 |  |  |  | 160 |
Loss from discontinued operations, net of tax |  |  | (28 | ) |  |  | — |  |  |  | — |  |  |  | — |
Net income (loss) |  |  | 157 |  |  |  | (130 | ) |  |  | 130 |  |  |  | 160 |
Less: Net income attributable to non-controlling interests |  |  | — |  |  |  | — |  |  |  | 22 |  |  |  | 26 |
Net income (loss) attributable to LGL Group common stockholders |  | $ | 157 |  |  | $ | (130 | ) |  | $ | 108 |  |  | $ | 134 |
Income (loss) per common share attributable to LGL Group common stockholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (b): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  | $ | 0.03 |  |  | $ | (0.02 | ) |  | $ | 0.02 |  |  | $ | 0.03 |
Loss from discontinued operations |  |  | (0.01 | ) |  |  | — |  |  |  | — |  |  |  | — |
Net income (loss) attributable to LGL Group common stockholders |  | $ | 0.03 |  |  | $ | (0.02 | ) |  | $ | 0.02 |  |  | $ | 0.03 |
Diluted (b): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  | $ | 0.03 |  |  | $ | (0.02 | ) |  | $ | 0.02 |  |  | $ | 0.02 |
Loss from discontinued operations |  |  | (0.01 | ) |  |  | — |  |  |  | — |  |  |  | — |
Net income (loss) attributable to LGL Group common stockholders |  | $ | 0.03 |  |  | $ | (0.02 | ) |  | $ | 0.02 |  |  | $ | 0.02 |
Weighted average shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 5,352,937 |  |  |  | 5,352,937 |  |  |  | 5,352,937 |  |  |  | 5,352,937 |
Diluted |  |  | 5,352,937 |  |  |  | 5,352,937 |  |  |  | 5,355,006 |  |  |  | 5,381,685 |
|  | Three months ended
(in thousands, except share data) |  | March 31, 2022 |  | June 30, 2022 |  | September 30, 2022 |  | December 31, 2022
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 417 |  |  | $ | 370 |  |  | $ | 344 |  |  | $ | 524 |
Net investment (loss) income |  |  | (3 | ) |  |  | 10 |  |  |  | 54 |  |  |  | 352 |
Net gains (losses) (a) |  |  | 45 |  |  |  | (2,373 | ) |  |  | (2,121 | ) |  |  | (298 | )
Total revenues |  |  | 459 |  |  |  | (1,993 | ) |  |  | (1,723 | ) |  |  | 578 |
Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Manufacturing cost of sales |  |  | 242 |  |  |  | 227 |  |  |  | 203 |  |  |  | 165 |
Engineering, selling and administrative |  |  | 1,022 |  |  |  | 623 |  |  |  | 669 |  |  |  | 576 |
Total expenses |  |  | 1,264 |  |  |  | 850 |  |  |  | 872 |  |  |  | 741 |
Loss from continuing operations before income taxes |  |  | (805 | ) |  |  | (2,843 | ) |  |  | (2,595 | ) |  |  | (163 | )
Income tax benefit |  |  | (166 | ) |  |  | (588 | ) |  |  | (611 | ) |  |  | (164 | )
(Loss) income from continuing operations |  |  | (639 | ) |  |  | (2,255 | ) |  |  | (1,984 | ) |  |  | 1 |
Income from discontinued operations, net of tax |  |  | 808 |  |  |  | 457 |  |  |  | 488 |  |  |  | 132 |
Net income (loss) |  |  | 169 |  |  |  | (1,798 | ) |  |  | (1,496 | ) |  |  | 133 |
Less: Net income attributable to non-controlling interests |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net income (loss) attributable to LGL Group common stockholders |  | $ | 169 |  |  | $ | (1,798 | ) |  | $ | (1,496 | ) |  | $ | 133 |
Income (loss) per common share attributable to LGL Group common shareholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (b): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) income from continuing operations |  | $ | (0.12 | ) |  | $ | (0.42 | ) |  | $ | (0.37 | ) |  | $ | 0.00 |
Income from discontinued operations |  |  | 0.15 |  |  |  | 0.09 |  |  |  | 0.09 |  |  |  | 0.02 |
Net income (loss) attributable to LGL Group common stockholders |  | $ | 0.03 |  |  | $ | (0.34 | ) |  | $ | (0.28 | ) |  | $ | 0.02 |
Diluted (b): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) income from continuing operations |  | $ | (0.12 | ) |  | $ | (0.42 | ) |  | $ | (0.37 | ) |  | $ | 0.00 |
Income from discontinued operations |  |  | 0.15 |  |  |  | 0.09 |  |  |  | 0.09 |  |  |  | 0.02 |
Net income (loss) attributable to LGL Group common stockholders |  | $ | 0.03 |  |  | $ | (0.34 | ) |  | $ | (0.28 | ) |  | $ | 0.02 |
Weighted average shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 5,323,973 |  |  |  | 5,334,187 |  |  |  | 5,346,043 |  |  |  | 5,349,187 |
Diluted |  |  | 5,345,202 |  |  |  | 5,334,187 |  |  |  | 5,346,043 |  |  |  | 5,356,188 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 270 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482964/270-10-50-1 + Details
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