XML 43 R32.htm IDEA: XBRL DOCUMENT v3.21.2
Revenue Recognition (Details 2) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Sales to largest customers $ 1,096,049 $ 351,300 $ 2,806,443 $ 1,274,006
Total percentage of revenue 53.42% 34.88% 50.29% 29.39%
Company A        
Sales to largest customers $ 288,640 $ 114,075 $ 778,211 $ 404,447
Company B        
Sales to largest customers 581,609 105,865 1,284,206 0
Company E        
Sales to largest customers 0 131,360 0 345,899
Company C        
Sales to largest customers 0 0 518,226 523,660
Company D        
Sales to largest customers $ 225,800 $ 0 $ 225,800 $ 0