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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
	Mar. 31, 2022	Mar. 31, 2021
STOCKHOLDERS' EQUITY
Number of shares sold	17,259	0
Proceeds from sale of common stock, net of commissions	$ 604,000
Payment of commissions on sale of shares	12,000
Payment of offering costs on sale of shares	$ 41,000

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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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