STOCK-BASED COMPENSATION - Summary of Stock Options Outstanding (Details) - $ / shares	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022
STOCK-BASED COMPENSATION
Number of stock options outstanding, Beginning of period	356,296	277,576
Number of stock options outstanding, Granted	117,637	78,720
Number of stock options outstanding, Canceled or forfeited	(49,107)	0
Number of stock options outstanding, End of period	424,826	356,296
Number of stock options Exercisable, End of period	307,189	277,576
Weighted average exercise price, Beginning of period	$ 5.06	$ 6.18
Weighted average exercise price, Granted	1.01	1.09
Weighted average exercise price, Canceled or forfeited	16.07	0
Weighted average exercise price, End of period	2.66	5.06
Weighted average exercise price Exercisable, End of period	$ 3.29	$ 6.18

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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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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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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 grantees could have acquired the underlying shares with respect to stock options that were terminated.

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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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