Description of Business - Additional Information (Detail) - USD ($)		1 Months Ended	3 Months Ended				6 Months Ended
	Aug. 01, 2022	Jul. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Net loss			$ 2,908,922	$ 2,814,934	$ 2,621,315	$ 2,960,794	$ 5,723,856	$ 5,582,109
Cash used in operating activities							4,970,597	$ 5,509,514
Accumulated deficit			83,786,078				83,786,078		$ 78,062,222
Shares value			698				698		$ 687
Cash balance			$ 10,200,000				$ 10,200,000
Common Stock Purchase Agreement [Member] | Subsequent Event [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares value	$ 2,300,000
Minimum | Subsequent Event [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares value	$ 2,300,000
Minimum | Keystone Capital Partners [Member] | Common Stock Purchase Agreement [Member] | Subsequent Event [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Committed to purchase	1,399,348	1,399,348
Maximum | Keystone Capital Partners [Member] | Common Stock Purchase Agreement [Member] | Subsequent Event [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares value	$ 5,000,000.0