Stock-Based Compensation Awards (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Option activity

Option activity for the years ended December 31, 2022 and 2021, are as follows:

								Weighted
				Weighted				Average
				Average		Total		Remaining
				Exercise		Intrinsic		Contractual
($ in thousands)	Options			Price		Value		Life (Years)
Outstanding as of December 31, 2020		141,851		$	5.34
Granted		153,504		$	0.55
Forfeited		(7,973	)	$	10.00
Outstanding as of December 31, 2021		287,382		$	2.65	$	—		8.61
Forfeited prior to merger conversion		(83,928	)	$	4.63
Additional options issued in merger conversion		41,338		$	1.84
Outstanding as of December 31, 2022		244,792		$	1.84	$	751,851		7.65
Options exercisable as of December 31, 2022		145,365		$	2.46	$	412,681		7.48

Summary of Stock Based Compensation Expense

Stock-based compensation expense for options included in the consolidated statements of operations is as follows:

($ in thousands)	2022		2021
Research and development	$	7	$	1
General and administrative		141		13
Total	$	148	$	14

Summary of RSU Activity

RSU activity for the year ended December 31, 2022, was as follows:

Outstanding as of December 31, 2021	—
Granted	255,000
Forfeited prior to merger conversion	(7,000	)
Additional RSUs issued in merger conversion	50,389
Outstanding as of December 31, 2022	298,389
Vested as of December 31, 2022	—
Shares subject to repurchase as of December 31, 2022	298,389

Restricted Stock Units (RSUs) [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Stock Based Compensation Expense

Stock-based compensation expense for RSUs included in the consolidated statements of operations is as follows:

($ in thousands)	2022		2021
Research and development	$	89	$	—
General and administrative		1,074		—
Total	$	1,163	$	—