Disaggregation of Revenue - Revenue is disaggregated by major products/service lines, and timing of revenue recognition (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue
Total Revenue	$ 52,800	$ 73,500	$ 105,600	$ 147,000
Products transferred at a point in time
Disaggregation of Revenue
Total Revenue	0	0	0	0
Products and services transferred over time
Disaggregation of Revenue
Total Revenue	52,800	73,500	105,600	147,000
Licensing fees - royalty revenue
Disaggregation of Revenue
Total Revenue	$ 52,800	$ 73,500	$ 105,600	$ 147,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details