Note 3 - Collaborative Arrangements and Contracts With Customers (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Accounts Receivable, after Allowance for Credit Loss, Current | $ 34,154 | $ 79,949 |
| Accounts Receivable, Allowance for Credit Loss, Current | 0 | 0 |
| Contract with Customer, Liability | 224,076 | 269,831 |
| Contract with Customer, Liability, Revenue Recognized | 45,755 | |
| Cancer Research Horizons [Member] | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement [Member] | ||
| Revenue from Collaborative Arrangement, Excluding Revenue from Contract with Customer | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of revenue from collaborative arrangement. Excludes revenue from contract with customer under Topic 606. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|