Stock Award Plans and Stock-based Compensation - Schedule of Stock-based Compensation Expense (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share based compensation expense	$ 345,223	$ 363,312	$ 611,493	$ 529,283
Cost of Goods Sold [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share based compensation expense	23,184	12,831	24,354	21,864
Research and Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share based compensation expense	29,573	24,707	76,107	72,110
Selling, General and Administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share based compensation expense	$ 292,466	$ 325,774	$ 511,032	$ 435,309