Stock Award Plans and Stock-based Compensation - Schedule of Stock-based Compensation Expense (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share based compensation expense	$ 266,270	$ 165,971
Cost of Goods Sold [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share based compensation expense	14,755	9,033
Research and Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share based compensation expense	29,612	47,403
Selling, General and Administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share based compensation expense	$ 221,903	$ 109,535