Quarterly report pursuant to Section 13 or 15(d)

Schedule of lease costs recognized in consolidated statements of operations (Details)

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Schedule of lease costs recognized in consolidated statements of operations (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Leases [Abstract]        
Operating lease cost included in cost of goods $ 29,837 $ 38,615 $ 62,701 $ 84,571
Operating lease cost included in operating costs 13,496 13,846 24,592 28,119
Total operating lease cost (1) [1] 43,333 52,461 87,293 112,690
Finance lease cost, included in cost of goods:        
Amortization of lease assets 38,952 17,434 51,586 31,427
Interest on lease liabilities 6,363 4,475 11,830 7,969
Total finance lease cost 45,315 21,909 63,416 39,396
Short-term lease cost 0 8,970 2,300 17,940
Total lease cost $ 88,648 $ 83,340 $ 153,009 $ 170,026
[1] Right of use asset amortization under operating agreements was $26,558 and $49,846 for the three months ended June 30, 2021 and 2020, respectively. Right of use asset amortization under operating agreements was $67,539 and $95,722 for the six months ended June 30, 2021 and 2020, respectively.