XML 28 R11.htm IDEA: XBRL DOCUMENT
v3.21.1

Note 4 - Accrued Expenses | 12 Months Ended
--- | ---
Dec. 31, 2020
Notes to Financial Statements |
Accounts Payable and Accrued Liabilities Disclosure [Text Block] | 4. Accrued Expenses Accrued expenses as shown on the accompanying Consolidated Balance Sheets is composed of the following as of December 31, 2020 and 2019:
|  | 2020 |  |  | 2019 |
Accrued salaries and directors' fees |  | $ | 279,696 |  |  | $ | 1,732,702 |
Other accrued expenses |  |  | 79,585 |  |  |  | 118,338 |
Total accrued expenses |  | $ | 359,281 |  |  | $ | 1,851,040 |

X
- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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