Revenue (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Total product sales	$ 4,107,146	$ 4,910,388	$ 15,342,204	$ 13,722,872
Percentage of Total product sales	100.00%	100.00%	100.00%	100.00%
United States [Member]
Total product sales	$ 3,580,516	$ 4,357,682	$ 13,644,768	$ 12,191,108
Percentage of Total product sales	87.00%	89.00%	89.00%	89.00%
Other [Member]
Total product sales	$ 526,630	$ 552,706	$ 1,697,436	$ 1,531,764
Percentage of Total product sales	13.00%	11.00%	11.00%	11.00%