STOCKHOLDERS' EQUITY - Stock activity (Details)	9 Months Ended
Sep. 30, 2021 USD ($) $ / shares shares
STOCKHOLDERS' EQUITY
Number of Options, Outstanding \| shares	370,000
Number of Options, Granted \| shares	220,000
Number of Options, Outstanding \| shares	590,000
Number of Options, Exercisable \| shares	324,167
Weighted Average Exercise Price, Outstanding \| $ / shares	$ 0.66
Weighted Average Exercise Price, Granted \| $ / shares	2.30
Weighted Average Exercise Price Outstanding \| $ / shares	1.27
Weighted Average Exercise Price Exercisable \| $ / shares	$ 0.66
Weighted Average Remaining Term, Outstanding	3 years 2 months 12 days
Weighted Average Remaining Term, Exercisable	2 years 3 months 18 days
Number of Options Intrinsic Value, Outstanding \| $	$ 527,600
Number of Options Intrinsic Value, Exercisable \| $	$ 460,317

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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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-Publisher FASB
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-SubTopic 10
-Section 50
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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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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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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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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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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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