Statements of Income (Unaudited) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Net sales | $ 3,108,267 | $ 2,838,225 | $ 5,980,489 | $ 5,319,352 |
| Costs and expenses: | ||||
| Cost of sales | 1,562,465 | 1,340,854 | 3,010,254 | 2,463,930 |
| Operating expenses | 667,282 | 694,050 | 1,334,245 | 1,326,785 |
| Research and development expense | 124,395 | 107,868 | 239,416 | 222,262 |
| Total costs and expenses | 2,354,142 | 2,142,772 | 4,583,915 | 4,012,977 |
| Income from operations | 754,125 | 695,453 | 1,396,574 | 1,306,375 |
| Other income: | ||||
| Investment income | 70,445 | 70,573 | 140,259 | 155,260 |
| Net gain on marketable securities | 48,365 | 24,576 | 66,107 | 36,926 |
| Settlement income | 36,360 | 339,493 | ||
| Gain on sale of asset | 8,310 | 8,310 | ||
| Total other income | 163,480 | 95,149 | 554,169 | 192,186 |
| Income before provision for income taxes | 917,605 | 790,602 | 1,950,743 | 1,498,561 |
| Provision for income taxes | 189,026 | 163,776 | 403,262 | 310,840 |
| Net income | $ 728,579 | $ 626,826 | $ 1,547,481 | $ 1,187,721 |
| Earnings per common share (basic and diluted) (in dollars per share) | $ 0.16 | $ 0.14 | $ 0.34 | $ 0.26 |
| Weighted average shares (basic and diluted) (in shares) | 4,594,319 | 4,594,319 | 4,594,319 | 4,594,319 |
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- Definition Amount of income as part of settlement. No definition available.
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense. No definition available.
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- References No definition available.
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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