Quarterly report pursuant to Section 13 or 15(d)

Capital Structure - Additional Information (Detail)

Capital Structure - Additional Information (Detail) $ / shares in Units, $ in Thousands								3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 26, 2023 USD ($) $ / shares shares	Mar. 02, 2023 USD ($) $ / shares shares	Feb. 10, 2023	Dec. 15, 2022 USD ($) $ / shares shares	Mar. 22, 2021 USD ($) $ / shares shares	May 27, 2020 USD ($) $ / shares shares	Jul. 25, 2017 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) shares	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2020
Class of Stock [Line Items]
Common stock, shares authorized \| shares										125,000,000
Number of shares issued \| shares						147,471
Net proceeds received \| $						$ 48,900
Gross Proceed \| $						$ 3,000
Dividends declared or paid \| $										$ 0
Warrant exercise price per share \| $ / shares	$ 1.36
Proceeds from warrant exercise prior to deducting fees to financial advisor and estimated expenses \| $	$ 9,600
Issuance costs allocated to warrants \| $										$ 96
Common stock, voting rights										The holders of shares of common stock are entitled to one vote for each share of common stock held at all meetings of stockholders and written actions in lieu of meetings.
Fair value adjustment of warrants \| $								$ (389)	$ (1,916)	$ (7,789)	$ 2,296
Stockholders' Equity, Reverse Stock Split			1-for-80
Maximum [Member]
Class of Stock [Line Items]
Warrant exercise price per share \| $ / shares	$ 4
Stockholders' Equity, Reverse Stock Split			1-for-80
Minimum [Member]
Class of Stock [Line Items]
Warrant exercise price per share \| $ / shares	$ 1.36
Stockholders' Equity, Reverse Stock Split			1-for-10
Other Expense [Member]
Class of Stock [Line Items]
Fair value adjustment of warrants \| $												$ 4,000
Common Stock [Member]
Class of Stock [Line Items]
Number of shares issued \| shares		128,000		54,375
Sale of stock, price per share \| $ / shares		$ 4
Class of warrant or right, issued \| shares	7,034,883	5,000,000
Inducement Agreement [Member]
Class of Stock [Line Items]
Warrant exercise price per share \| $ / shares	$ 1.36
Proceeds from warrant exercise prior to deducting fees to financial advisor and estimated expenses \| $	$ 9,600
Inducement Agreement [Member] \| Maximum [Member]
Class of Stock [Line Items]
Warrant exercise price per share \| $ / shares	$ 4
Inducement Agreement [Member] \| Minimum [Member]
Class of Stock [Line Items]
Warrant exercise price per share \| $ / shares	$ 1.36
Inducement Agreement [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Class of warrant or right, issued \| shares	7,034,883
Private Placement [Member]
Class of Stock [Line Items]
Issuance of securities in private placement, Shares \| shares						8,427
Follow-on Offering [Member]
Class of Stock [Line Items]
Public offering price, per unit \| $ / shares						$ 356
Warrants to purchase shares of common stock \| shares						110,603
Warrant exercise price per share \| $ / shares						$ 392
Conversion ratio of common stock													0.75
Follow-on Offering [Member] \| 2020 Warrants [Member]
Class of Stock [Line Items]
Fair value of warrants \| $							$ 31,400
Issuance costs allocated to warrants \| $							$ 2,200
Follow-on Offering [Member] \| 2022 Warrants [Member]
Class of Stock [Line Items]
Fair value of warrants \| $						$ 11,000
Issuance costs allocated to warrants \| $						$ 900
Over-Allotment Option [Member]
Class of Stock [Line Items]
Number of shares issued \| shares					143,750
Public offering price, per unit \| $ / shares					$ 400
Sale of stock, price per share \| $ / shares					$ 400
Proceeds from Issuance Initial Public Offering \| $					$ 53,800
Class A Warrant and Class B Warrant [Member]
Class of Stock [Line Items]
Sale of stock, price per share \| $ / shares				$ 10.32
Pre Funded Warrants and Common Stock [Member]
Class of Stock [Line Items]
Proceeds from issuance or sale of equity \| $		$ 9,100		$ 6,100
Two Thousand And Twenty Two Offering [Member]
Class of Stock [Line Items]
Warrant exercise price per share \| $ / shares		$ 4		$ 10.32
Sale of stock, price per share \| $ / shares				$ 10.32
Class of warrant purchase percentage		4.00%
Proceeds from issuance or sale of equity \| $		$ 9,100
Number of common stock Called by each warrant or right \| shares		2
Stockholders' Equity, Reverse Stock Split			1-for-80
Pfizer Warrants [Member]
Class of Stock [Line Items]
Warrants to purchase shares of common stock \| shares						6,320
Warrant exercise price per share \| $ / shares						$ 392
Pre-Funded Warrants
Class of Stock [Line Items]
Class of warrant or right, issued \| shares		2,372,000		623,919
Pre-Funded Warrants \| Two Thousand And Twenty Two Offering [Member]
Class of Stock [Line Items]
Number of common stock Called by each warrant or right \| shares		1
Class A warrants [Member] \| Two Thousand And Twenty Two Offering [Member]
Class of Stock [Line Items]
Number of common stock Called by each warrant or right \| shares				2
Class B warrants [Member] \| Two Thousand And Twenty Two Offering [Member]
Class of Stock [Line Items]
Number of common stock Called by each warrant or right \| shares				1
Class C Warrant [Member] \| Inducement Agreement [Member]
Class of Stock [Line Items]
Warrant exercise price per share \| $ / shares	$ 1.36
Class C Warrant [Member] \| Inducement Agreement [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Class of warrant or right, issued \| shares	1,406,977
Class C Warrant [Member] \| Follow-on Offering [Member]
Class of Stock [Line Items]
Fair value of warrants \| $	$ 1,800
Issuance costs allocated to warrants \| $	$ 100
Class D Warrant [Member] \| Inducement Agreement [Member]
Class of Stock [Line Items]
Warrant exercise price per share \| $ / shares	$ 1.36
Class D Warrant [Member] \| Inducement Agreement [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Class of warrant or right, issued \| shares	5,627,906