Quarterly report pursuant to Section 13 or 15(d)

2. Summary of Significant Accounting Policies (Details)

v3.19.3
2. Summary of Significant Accounting Policies (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Mar. 31, 2018
customer
Sep. 30, 2019
USD ($)
customer
Sep. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Product Information [Line Items]            
Allowance for doubtful accounts $ 65,306     $ 65,306   $ 10,104
Comprehensive loss $ (1,880,181) $ 129,485   $ (6,315,165) $ (2,979,324)  
Sales Revenue Net [Member]            
Product Information [Line Items]            
Number of significant customers | customer     2 2    
Customer concentration risk     73.00% 71.00%