STOCK AWARDS, WARRANTS AND OPTIONS - Stock Option Activity (Details) - Stock Option - USD ($)	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Number of Options
Outstanding at Beginning of the period	3,793,824
Granted	2,044,370
Exercised	(224,316)
Expired/Cancelled	(45,469)
Outstanding at End of the period	5,568,409
Exercisable	1,653,835
Weighted Average Exercise Price
Outstanding at Beginning of the period	$ 2.68
Granted	3.28
Exercised	1.39
Expired/Cancelled	4.19
Outstanding at Ending of the period	2.94
Exercisable	$ 2.21
Aggregate Intrinsic Value
Exercised	$ 431,485
Outstanding	4,157,717	$ 3,104,631
Exercisable	$ 2,321,841

Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract]

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Number of share options (or share units) exercised during the current period.

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