Share-based Compensation

3 Months Ended

Mar. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Share-based Compensation

(8) Share-based Compensation

For the three month periods ended March 31, 2021 and 2020, the Company recognized the following non-cash, share-based compensation expense in the statements of operations (in thousands):

	Three Months Ended March 31,
	2021		2020
Research and development	$	36	$	9
General and administrative		105		7
Total	$	141	$	16

Stock option transactions for the three month period ended March 31, 2021 under the Company’s stock incentive plans were as follows:

	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)
Options outstanding at December 31, 2020		531,238		$	8.71		9.68
Granted		67,200			4.30
Exercised	—			—
Forfeited and cancelled		(1,941	)		72.33
Options outstanding at March 31, 2021		596,497		$	8.01		9.51
Options exercisable at March 31, 2021		66,125		$	38.02		7.68
Options vested and expected to vest		595,774		$	8.01		9.51