| Segment Reporting [Text Block] |
Note 11 Segment Information
The Company has two operating and reportable segments which consists of the operations of TotalStone and Carolina Stone Holdings. The Company also has corporate-level activity, which is included in Capstone Holding Corp. (“Capstone” or “the Parent”) which consists primarily of board fees and, investor relations, filing, legal, insurance, accounting and consulting expenses and other non-operating income and expenses not identifiable and allocated to TotalStone or Carolina Stone Holdings. The Parent balance sheet information includes cash and cash equivalents, net deferred tax asset, debt and other assets and liabilities which are also not identifiable to the operations of TotalStone.
The Company’s chief executive officer is also the Company’s chief operating decision maker (“CODM”). The Company’s chief operating decision maker evaluates the performance of segments based on operating income (loss). Cost of goods sold and selling, general and administrative expenses, as reported on the statement of operations, are the significant segment expenses provided to the CODM on a regular basis.
The following tables present financial information regarding the Company’s reportable segment reconciled to the Company’s consolidated totals.
| | | Three Months Ended September 30, | |
| | | 2025 | | | 2024 | |
| | | TotalStone | | | Carolina
Stone
Holdings | | | Parent | | | Eliminations | | | Consolidated | | | TotalStone | | | Parent | | | Carolina
Stone
Holdings | | | Eliminations | | | Consolidated | |
| Income (loss) from operations before taxes: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Sales | | $ | 12,697 | | | $ | 957 | | | $ | — | | | $ | — | | | $ | 13,654 | | | $ | 12,318 | | | $ | — | | | $ | — | | | $ | — | | | $ | 12,318 | |
| Cost of goods sold | | | 9,680 | | | | 720 | | | | — | | | | — | | | | 10,400 | | | | 9,325 | | | | — | | | | — | | | | — | | | | 9,325 | |
| Gross Profit | | | 3,017 | | | | 237 | | | | — | | | | | | | | 3,254 | | | | 2,993 | | | | — | | | | — | | | | — | | | | 2,993 | |
| Selling, general and administrative expenses | | | 2,470 | | | | 298 | | | | 602 | | | | — | | | | 3,370 | | | | 2,388 | | | | 252 | | | | — | | | | (60 | ) | | | 2,580 | |
| Transaction Expenses | | | 34 | | | | — | | | | 618 | | | | — | | | | 652 | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Income (loss) from operations | | $ | 513 | | | | (61 | ) | | $ | (1,220 | ) | | $ | — | | | $ | (768 | ) | | $ | 605 | | | $ | (252 | ) | | $ | — | | | $ | 60 | | | $ | 413 | |
| Loss on extinguishment of debt | | | — | | | | — | | | | (652 | ) | | | | | | | (652 | ) | | | — | | | | — | | | | — | | | | — | | | | — | |
| Interest expense | | | (416 | ) | | | (8 | ) | | | (170 | ) | | | — | | | | (594 | ) | | | (353 | ) | | | (21 | ) | | | — | | | | — | | | | (374 | ) |
| Other income (expense) net | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | 60 | | | | — | | | | (60 | ) | | | — | |
| Income (loss) from operations before taxes | | $ | 97 | | | | (69 | ) | | $ | (2,042 | ) | | $ | — | | | $ | (2,014 | ) | | $ | 252 | | | $ | (213 | ) | | | — | | | $ | — | | | $ | 39 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Other financial information: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Depreciation & amortization | | $ | 111 | | | | 7 | | | $ | — | | | $ | — | | | $ | 118 | | | $ | 125 | | | $ | — | | | | — | | | $ | — | | | $ | 125 | |
| Capital expenditures | | | — | | | | — | | | | — | | | | — | | | | — | | | | 19 | | | | — | | | | — | | | | — | | | | 19 | |
| | | Nine Months Ended September 30, | |
| | | 2025 | | | 2024 | |
| | | TotalStone | | | Carolina Stone Holdings | | | Parent | | | Eliminations | | | Consolidated | | | TotalStone | | | Parent | | | Carolina Stone Holdings | | | Eliminations | | | Consolidated | |
| Income (loss) from operations before taxes: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Sales | | $ | 33,448 | | | $ | 957 | | | $ | — | | | $ | — | | | $ | 34,405 | | | $ | 34,563 | | | $ | — | | | $ | — | | | $ | — | | | $ | 34,563 | |
| Cost of goods sold | | | 25,976 | | | | 720 | | | | — | | | | — | | | | 26,696 | | | | 27,062 | | | | — | | | | — | | | | — | | | | 27,062 | |
| Gross Profit | | | 7,473 | | | | 237 | | | | — | | | | — | | | | 7,709 | | | | 7,501 | | | | — | | | | — | | | | — | | | | 7,501 | |
| Selling, general and administrative expenses | | | 7,414 | | | | 298 | | | | 2,011 | | | | (210 | ) | | | 9,513 | | | | 7,540 | | | | 431 | | | | — | | | | (180 | ) | | | 7,791 | |
| Transaction Expenses | | | 34 | | | | — | | | | 618 | | | | — | | | | 652 | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Income (loss) from operations | | $ | 24 | | | $ | (61 | ) | | $ | (2,629 | ) | | $ | 210 | | | $ | (2,456 | ) | | $ | (39 | ) | | $ | (431 | ) | | $ | — | | | $ | 180 | | | $ | (290 | ) |
| Loss on extinguishment of debt | | | — | | | | — | | | | (652 | ) | | | — | | | | (652 | ) | | | — | | | | — | | | | — | | | | — | | | | — | |
| Interest expense | | | (1,112 | ) | | | (8 | ) | | | (214 | ) | | | — | | | | (1,334 | ) | | | (1,098 | ) | | | (50 | ) | | | — | | | | — | | | | (1,148 | ) |
| Other income (expense) net | | | 150 | | | | — | | | | 60 | | | | (210 | ) | | | — | | | | — | | | | 180 | | | | — | | | | (180 | ) | | | — | |
| Income (loss) from operations before taxes | | $ | (938 | ) | | $ | (69 | ) | | $ | (3,435 | ) | | $ | — | | | $ | (4,442 | ) | | $ | (1,137 | ) | | $ | (301 | ) | | | — | | | $ | — | | | $ | (1,438 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Other financial information: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Depreciation & amortization | | $ | 341 | | | $ | 7 | | | $ | — | | | $ | — | | | $ | 348 | | | $ | 366 | | | $ | — | | | | — | | | $ | — | | | $ | 366 | |
| Capital expenditures | | | 2 | | | | — | | | | — | | | | — | | | | 2 | | | | 101 | | | | — | | | | — | | | | — | | | | 101 | |
| | | As of September 30, 2025 | | | As of December 31, 2024 | |
| | | TotalStone | | | Carolina Stone Holdings | | | Parent | | | Eliminations | | | Consolidated | | | TotalStone | | | Carolina Stone Holdings | | | Parent | | | Eliminations | | | Consolidated | |
| Total assets | | $ | 44,176 | | | $ | 6,240 | | | $ | 11,191 | | | $ | (3,123 | ) | | $ | 58,483 | | | $ | 40,468 | | | $ | — | | | $ | 7,858 | | | $ | (1,105 | ) | | $ | 47,221 | |
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