Stock-based compensation expense charged to operations is summarized as follows:


	Three Months Ended March 31,
		2025		2024
Research and development		$	973	$	394
General and administrative		1,338		273
Total costs charged to operations		$	2,311	$	667

During the three months ended March 31, 2025, approximately 740,000 awards were granted to acquire shares of the Company's common stock, consisting of restricted stock and restricted stock units, in connection with stock-based compensation arrangements with a grant date fair market value of approximately of $26,000.

Unrecognized compensation expense and expected weighted-average period to be recognized related to the stock-based compensation awards as of March 31, 2025 were as follows:


	Restricted Stock		Option Awards		Totals
Unrecognized compensation cost	$	33,098	$	8,861	$	41,959
Weighted-average period over which cost is expected to be recognized (in years)	3.45		3.50		3.46