(8) Segment Information: Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Sales, net | $ 8,529 | $ 9,953 | $ 17,252 | $ 19,663 | ||
| Gross profit | 4,758 | 5,595 | 10,040 | 11,133 | ||
| Research & development | 154 | 135 | 308 | 289 | ||
| Amortization | 478 | 1,048 | ||||
| Operating income | 2,649 | 3,196 | 5,215 | 6,349 | ||
| Income before provision for income taxes | 3,286 | 3,836 | 6,469 | 7,694 | ||
| Provision for income taxes | 600 | 788 | 1,179 | 1,605 | ||
| Net income | $ 2,686 | $ 2,604 | $ 3,048 | $ 3,041 | 5,290 | 6,089 |
| Single Operating Segment | ||||||
| Sales, net | 8,529 | 9,953 | ||||
| Standard cost of sales | 3,175 | 3,763 | ||||
| Other cost of sales | 596 | 595 | ||||
| Gross profit | $ 4,758 | $ 5,595 | ||||
| Gross Profit Margin | 55.80% | 56.20% | ||||
| Selling and Marketing Expense | $ 526 | $ 525 | ||||
| Research & development | 154 | 135 | ||||
| Litigation Expense | 498 | 284 | ||||
| Amortization | 16 | 540 | ||||
| Other Selling, General and Administrative Expense | 915 | 915 | ||||
| Operating income | $ 2,649 | $ 3,196 | ||||
| Operating Income Margin | 31.10% | 32.10% | ||||
| Other Interest and Dividend Income | $ 635 | $ 679 | ||||
| Other Operating Income (Expense), Net | 2 | (40) | ||||
| Income before provision for income taxes | 3,286 | 3,835 | ||||
| Provision for income taxes | 600 | 787 | ||||
| Net income | $ 2,686 | $ 3,048 | ||||
| X | ||||||||||
- Definition Represents the percentage value of Gross Profit Margin, during the indicated time period. No definition available.
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| X | ||||||||||
- Definition Represents the monetary amount of Litigation Expense, during the indicated time period. No definition available.
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| X | ||||||||||
- Definition Represents the percentage value of Operating Income Margin, during the indicated time period. No definition available.
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| X | ||||||||||
- Definition Represents the monetary amount of Other cost of sales, during the indicated time period. No definition available.
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| X | ||||||||||
- Definition Represents the monetary amount of Standard cost of sales, during the indicated time period. No definition available.
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| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- 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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| X | ||||||||||
- 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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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount, after discount, accretion and premium amortization, of interest income and dividend income classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. No definition available.
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| X | ||||||||||
- Definition Amount of selling, general and administrative expense classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- 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/exampleRef
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| X | ||||||||||
- Definition Amount, excluding 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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| X | ||||||||||
- Definition The aggregate total amount of expenses directly related to the marketing or selling of products or services. No definition available.
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- Details
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