Schedule II-Schedule of Valuation and Qualifying Accounts (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Provision for Inventories
Movement in schedule of valuation and qualifying accounts
Balance at beginning of period	$ 297,208	$ 297,208	$ 297,208
Balance at end of period	297,208	297,208	297,208
Provision for Accounts Receivables
Movement in schedule of valuation and qualifying accounts
Balance at beginning of period	205,822	146,382	149,665
Additions	150,000	125,000
Deductions	3,605	65,560	3,283
Balance at end of period	352,217	205,822	146,382
Deferred Tax Valuation
Movement in schedule of valuation and qualifying accounts
Balance at beginning of period		5,029,838	6,151,398
Deductions		5,029,838	1,121,560
Balance at end of period			5,029,838
Provision for Rebates
Movement in schedule of valuation and qualifying accounts
Balance at beginning of period	3,811,925	4,273,569	4,586,847
Additions	36,230,028	26,104,612	24,212,830
Deductions	33,403,838	26,566,256	24,526,108
Balance at end of period	6,638,115	3,811,925	4,273,569
Accounts payable
Movement in schedule of valuation and qualifying accounts
Balance at beginning of period	3,435,352	3,586,726
Balance at end of period	$ 6,209,708	$ 3,435,352	$ 3,586,726