XML 78 R65.htm IDEA: XBRL DOCUMENT
v3.23.1

Note 5 - Share Based Compensation (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Notes Tables |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2023 |  |  | 2022 |
Selling, general and administrative |  | $ | 55,453 |  |  | $ | 92,426 |
Research, development and engineering |  |  | 15,922 |  |  |  | 17,271 |
|  | $ | 71,375 |  |  | $ | 109,697 |
|  | Year ended December 31, |
|  | 2022 |  |  | 2021 |
Selling, general and administrative |  | $ | 310,017 |  |  | $ | 269,368 |
Research, development and engineering |  |  | 77,890 |  |  |  | 45,347 |
|  | $ | 387,907 |  |  | $ | 314,715 |

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration