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