Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Significant Accounting Policies [Line Items]
Allowance for doubtful accounts receivable	$ 0		$ 0		$ 0
Bad debt expense	0	$ 0	0	$ 0
Inventory raw materials	355,000		355,000		239,000
Inventory finished goods	159,000		159,000		50,000
Accounts Receivable [Member]
Significant Accounting Policies [Line Items]
Medicaid and Medicare rebates					13,000
Accounts Payable and Accrued Expenses [Member]
Significant Accounting Policies [Line Items]
Medicaid and Medicare rebates			64,000
Liabilities for co-pay assistance	$ 104,000		$ 104,000		$ 66,000