Annual report pursuant to Section 13 and 15(d)

Leases - Right of use assets (Details)

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Leases - Right of use assets (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Leases [Abstract]      
Right of use assets - operating leases, net of amortization $ 687,586 $ 792,078  
Right of use assets - finance leases, net of depreciation– included in property, plant and equipment 27,119 37,091  
Amortization of right-of-use assets 12,870 11,890  
Interest expense on lease liabilities 1,170 1,402  
Finance lease cost 14,040 13,292  
Operating lease cost 265,081 210,881  
Total lease cost 279,121 224,173  
Cash paid for amounts included in the measurement of lease liabilities      
Operating cash flows from finance leases (1,170) (1,252)  
Operating cash flows from operating leases (265,081) (210,881)  
Financing cash flows from finance leases (12,666) (11,371)  
Right-of-use assets obtained in exchange for new finance leases 470 14,989  
Right-of-use assets disposed of under operating leases prior to lease maturity (21,588) (81,263)  
Right-of -use assets obtained in exchange for new operating leases $ 84,918 $ 442,281  
Weighted average remaining lease term - finance leases 2 years 270 days 2 hours 24 minutes   3 years 167 days 21 hours 36 minutes
Weighted average remaining lease term - operating leases 2 years 8 months 3 days   3 years 7 months 4 days
Weighted average discount rate- finance leases 3.65%   3.52%
Weighted average discount rate- operating leases 3.59%   3.42%