Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	At The Market	Private Placement	Follow On Offering	Common Stock	Common Stock At The Market	Common Stock Private Placement	Common Stock Follow On Offering	Additional Paid-In Capital	Additional Paid-In Capital At The Market	Additional Paid-In Capital Private Placement	Additional Paid-In Capital Follow On Offering	Accumulated Other Comprehensive (Loss) Gain	Accumulated Deficit
Balance at Dec. 31, 2021	$ 85,218				$ 6				$ 548,870				$ (79)	$ (463,579)
Balance (in shares) at Dec. 31, 2021					6,202,403
Exercise of stock options, Shares					3,770
Vesting of restricted stock units	1				$ 1
Vesting of restricted stock units, Shares					86,066
Issuance of shares under Employee Stock Purchase Plan	217								217
Issuance of shares under Employee Stock Purchase Plan, Shares					48,560
Issuance of common stock / preferred stock, warrants, net of issuance costs			$ 60,112				$ 6				$ 60,106
Issuance of common stock / preferred stock, warrants, net of issuance costs (in shares)							6,387,173
Issuance of shares in merger, net of issuance cost	65,332				$ 7				65,325
Issuance of shares in merger, net of issuance cost, Shares					7,546,014
Cancellation of fractional shares due to reverse stock split	(81)								(81)
Cancellation of fractional shares due to reverse stock split, shares					(10,870)
Stock-based compensation expense	11,410								11,410
Other comprehensive gain (loss)	181												181
Net Income (Loss)	(94,654)													(94,654)
Balance at Dec. 31, 2022	$ 127,736				$ 20				685,847				102	(558,233)
Balance (in shares) at Dec. 31, 2022	20,263,116				20,263,116
Vesting of restricted stock units					$ 1				(1)
Vesting of restricted stock units, Shares					481,142
Issuance of shares under Employee Stock Purchase Plan	$ 257								257
Issuance of shares under Employee Stock Purchase Plan, Shares					95,998
Exercise of Pre-funded warrants, Shares					246,831
Issuance of restricted stock awards					72,000
Issuance of common stock / preferred stock, warrants, net of issuance costs		$ 1,357		$ 41,554				$ 5		$ 1,357		$ 41,549
Issuance of common stock / preferred stock, warrants, net of issuance costs (in shares)					350,000	350,000		4,939,591
Stock-based compensation expense	10,434								10,434
Other comprehensive gain (loss)	(102)												$ (102)
Net Income (Loss)	(164,574)													(164,574)
Balance at Dec. 31, 2023	$ 16,662				$ 26				$ 739,443					$ (722,807)
Balance (in shares) at Dec. 31, 2023	26,448,678				26,448,678