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STOCKHOLDERS' EQUITY - Shares Issued through the At-the-Market Offering Program (Details) - At-the-Market Equity Offering Program - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
STOCKHOLDERS' EQUITY
Number of shares sold	0	49,000	17,000	49,000
Proceeds from sale of common stock, net of commissions		$ 1,489,000	$ 604,000	$ 1,489,000
Payment of commissions on sale of shares		30,000	12,000	30,000
Payment of offering costs on sale of shares		$ 65,000	$ 41,000	$ 65,000

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The cash outflow for commissions incurred directly with the issuance of an equity security.

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The cash inflow from the additional capital contribution to the entity.

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