Annual report pursuant to Section 13 and 15(d)

Note 15 - Employee Benefit Plan (Details Textual)

v3.20.1
Note 15 - Employee Benefit Plan (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 4.00%  
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 62,000 $ 45,000