XML 57 R43.htm IDEA: XBRL DOCUMENT
v3.22.1

Note 6 - Share Based Compensation - Expenses for Continuing Operations (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Share-based compensation expense | $ 109,697 | $ 141,148
Selling, General and Administrative Expenses [Member] |  |
Share-based compensation expense | 92,426 | 128,944
Research and Development Expense [Member] |  |
Share-based compensation expense | $ 17,271 | $ 12,204

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |