Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of RSU activity

	Number of Shares			Weighted- Average Grant Date Fair Value Per Share
Unvested units at December 31, 2022		47,335		$	15.03
Granted		43,500			5.24
Vested		(18,080	)		16.96
Forfeited		–			–
Unvested units at March 31, 2023		72,755		$	8.70

Schedule of Stock Option Activity

	Number of Shares		Weighted- Average Exercise Price Per Share		Aggregate Intrinsic Value
Balance at December 31, 2022		177	$	35,231.40
Granted		–		–
Exercised		–		–
Forfeited		–		–
Expired		–		–
Balance at March 31, 2023		177	$	35,231.40	$	–
Exercisable at March 31, 2023		177	$	35,231.40	$	–

Schedule of stock based compensation expense

	March 31,
	2023		2022
Research and development	$	63	$	56
General and administrative		48		130
Total stock-based compensation	$	111	$	186