Quarterly report pursuant to Section 13 or 15(d)

The following table summarizes net sales by geography for the three and six months ended June 30, 2021, and 2020: (Details)

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The following table summarizes net sales by geography for the three and six months ended June 30, 2021, and 2020: (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Net sales $ 5,528,174 $ 7,708,904 $ 10,959,125 $ 14,038,913
UNITED STATES        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Net sales 4,645,770 6,745,810 9,092,559 12,086,676
Non-US [Member]        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Net sales $ 882,404 $ 963,094 $ 1,866,566 $ 1,952,237