XML 74 R62.htm IDEA: XBRL DOCUMENT v3.22.1
Note 11 - 401(K) Plans (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Cost of Professional Fees and Selling, General and Administrative Expenses [Member]    
Defined Contribution Plan, Cost $ 85,199 $ 40,741