Annual report pursuant to Section 13 and 15(d)

Note 11 - Employee Benefit Plans (Details Textual)

v3.20.4
Note 11 - Employee Benefit Plans (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage 90.00%  
Age Requirement For 401K Contributions (Year) 21 years  
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 4.50% 4.50%
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage 100.00% 100.00%
Defined Contribution Plan, Cost $ 68,000 $ 85,000