Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.20.2
Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2020
USD ($)
Segment
Jun. 30, 2019
USD ($)
Segment
Dec. 31, 2019
USD ($)
Summary of Significant Accounting Policies (Textual)
Shipping and handling costs $ 14,498 $ 19,233
Warranty liability $ 26,833 26,833 $ 26,933
Warranty expense 0 4,650
Research and development costs $ 2,339 $ 12,298 4,729 20,400
Advertising costs $ 19,789 $ 25,738
Number of operating segments | Segment 1 1