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Revenue Recognition and Contracts with Customers (Tables) | 9 Months Ended
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Sep. 30, 2025
Revenue Recognition and Contracts with Customers |
Schedule of company's total revenue by major product lines | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2025 |  | 2024 |  | 2025 |  | 2024
Revenues |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Products Sales | ​ | $ | 896,274 | ​ | $ | 988,328 | ​ | $ | 3,265,657 | ​ | $ | 3,418,665
Engineering Services | ​ |  | 264,673 | ​ |  | 397,386 | ​ |  | 771,941 | ​ |  | 1,063,488
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Revenue | ​ | $ | 1,160,947 | ​ | $ | 1,385,714 | ​ | $ | 4,037,598 | ​ | $ | 4,482,153
Schedule of company's sales by revenue recognition method as a percentage of total net sales | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended September 30, |  | ​ | Nine Months Ended September 30, | ​
​ | ​ | 2025 |  | 2024 | ​ | ​ | 2025 |  | 2024 |
Point-in-Time |  | 77 | % | 71 | % | ​ | 81 | % | 76 | %
Over Time – Input Method |  | 23 | % | 29 | % | ​ | 19 | % | 24 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total |  | 100 | % | 100 | % | ​ | 100 | % | 100 | %

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- Definition Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(1) -SubTopic 10 -Topic 606 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 + Details
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