Stockholders' Equity

3 Months Ended

Mar. 31, 2023

Equity [Abstract]

Stockholders' Equity

Stockholders’ Equity

Preferred stock and convertible preferred stock consist of the following: 

	March 31, 2023		December 31, 2022
Preferred stock, $0.001 par value; 5,000,000 shares authorized at March 31, 2023 and December 31, 2022; no shares issued and outstanding at March 31, 2023 and December 31, 2022	$	—	$	—
Series B convertible preferred stock, $0.001 par value; 147,000 shares designated at March 31, 2023 and December 31, 2022; 200 shares issued and outstanding at March 31, 2023 and December 31, 2022	$	1	$	1

2023 equity activity

As of March 31, 2023, the Company has 85,962 restricted stock awards and 179,812 restricted stock units that remain unvested. At December 31, 2022 the Company had 96,250 restricted stock awards and 194,731 restricted stock units that were unvested.

2022 equity activity

In January 2022, the Company issued 292,500 shares of common stock under its ATM program with net proceeds of $1,943,052 and issued 20,000 restricted stock awards under its 2004 Stock Option Plan with a value of $104,200.

As of March 31, 2022, the Company has issued 47,500 restricted stock awards that remain unvested. At December 31, 2021 the Company had 30,000 restricted stock awards that were unvested.