v3.26.1
Note 3 - Segment Information - Schedule of Segment Reporting Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Net sales $ 682 $ 498
Net investment income 389 417
Net gains 14 3
Total revenues 1,085 918
Manufacturing cost of sales 334 237
Engineering 90 57
Commissions 25 19
Sales and marketing 63 57
Accounting 70 75
Compensation 871 248
Corporate allocations (a) [1] 0 0
Other segment items (b) [2] 417 184
Engineering, selling and administrative 1,536 640
Total expenses 1,870 877
Segment profit (loss) (785) 41
Loss before income taxes (785) 41
Net gains (losses) 14 3
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]    
Net sales 0 0
Net investment income 166 170
Net gains 14 3
Total revenues 180 173
Manufacturing cost of sales 0 0
Engineering 0 0
Commissions 0 0
Sales and marketing 0 0
Accounting 70 75
Compensation 813 192
Corporate allocations (a) [1] (141) (104)
Other segment items (b) [2] 338 141
Engineering, selling and administrative 1,080 304
Total expenses 1,080 304
Segment profit (loss) (900) (131)
Loss before income taxes
Net gains (losses) 14 3
Electronic Instruments [Member] | Operating Segments [Member]    
Net sales 682 498
Net investment income 0 0
Net gains 0 0
Total revenues 682 498
Manufacturing cost of sales 334 237
Engineering 90 57
Commissions 25 19
Sales and marketing 63 57
Accounting 0 0
Compensation 58 56
Corporate allocations (a) [1] 16 11
Other segment items (b) [2] 79 42
Engineering, selling and administrative 331 242
Total expenses 665 479
Segment profit (loss) 17 19
Loss before income taxes
Net gains (losses) 0 0
Merchant Investment [Member] | Operating Segments [Member]    
Net sales 0 0
Net investment income 223 247
Net gains 0 0
Total revenues 223 247
Manufacturing cost of sales 0 0
Engineering 0 0
Commissions 0 0
Sales and marketing 0 0
Accounting 0 0
Compensation 0 0
Corporate allocations (a) [1] 125 93
Other segment items (b) [2] 0 1
Engineering, selling and administrative 125 94
Total expenses 125 94
Segment profit (loss) 98 153
Loss before income taxes
Net gains (losses) $ 0 $ 0
[1] The Electronic Instruments and Merchant Investment segments are allocated overhead expenses from the Corporate segment based on each segment's asset as a percentage of Total assets.
[2] Other segment items for each reportable segment includes the following: Electronic Instruments - rent, amortization, professional service fees, and certain other overhead expenses. Merchant Investment - legal expense and certain other overhead expenses. Corporate - legal expense, insurance expense, filing fees, fees paid to M-tron Industries, Inc. under Amended and Restated Transitional Administrative and Management Services Agreement, expense reimbursements paid to / received from M-tron Industries, Inc., and certain other overhead expenses.