Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.19.2
Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
Segment
Jun. 30, 2018
USD ($)
Segment
Dec. 31, 2018
USD ($)
Summary of Significant Accounting Policies (Textual)
Shipping and handling costs $ 19,233 $ 6,570
Warranty liability $ 27,103 27,103 $ 24,190
Warranty expense 4,650 2,741
Research and development costs $ 12,298 $ 51,345 20,400 68,605
Advertising costs $ 25,738 $ 5,900
Number of operating segments | Segment 1 1