XML 41 R23.htm IDEA: XBRL DOCUMENT v3.22.1
Note 1 - Organization and Summary of Significant Accounting Policies - Prepaid Expenses and Other Current Assets (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Prepaid insurance $ 326,712 $ 204,988
Prepaid expenses - various 45,839 72,403
Prepaid taxes $ 3,279 $ 3,164