COMMON STOCK

3 Months Ended

Mar. 31, 2022

Equity [Abstract]

COMMON STOCK

6.     COMMON STOCK

At March 31, 2022, the Company's authorized capital stock was 150,000,000 shares of common stock, par value $0.001 per share, and 25,000,000 shares of preferred stock, par value $0.001 per share. On that date, the Company had 52,218,382 shares of common stock issued and 51,914,932 shares of common stock outstanding, and no shares of preferred stock outstanding.

Stock-based compensation expense related to Company grants for the three months ended March 31, 2022 was $569,502. Stock-based compensation expense for the three months ended March 31, 2021 was $636,214.

2022 Transactions: During the three months ended March 31, 2022 the Company issued 123,000 shares of common stock for vested stock awards.

2021 Transactions: During the three months ended March 31, 2021 the Company issued 499,275 shares of common stock for vested stock awards and the exercise of stock options and received proceeds of $110,466.