EQUITY INVESTMENTS IN UNCONSOLIDATED AFFILIATES - Summary of Changes in Equity Method Investments (Details) - USD ($)	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Increase (Decrease) in Equity Method Investment [Roll Forward]
Balance at December 31, 2021	$ 58,872,710
Additional investment	2,046,207	$ 9,316,394
Loss from equity method investments	(3,389,503)	0
Share of income from equity method investments included in other comprehensive income (loss)	193,644	0
Balance at March 31, 2022	57,723,058
Sayona
Increase (Decrease) in Equity Method Investment [Roll Forward]
Balance at December 31, 2021	18,256,488
Additional investment	46,304	$ 9,300,000
Loss from equity method investments	(1,421,471)
Share of income from equity method investments included in other comprehensive income (loss)	64,515
Balance at March 31, 2022	16,945,836
Fair value of equity investments where market values from publicly traded entities are readily available	221,488,733
Sayona Quebec
Increase (Decrease) in Equity Method Investment [Roll Forward]
Balance at December 31, 2021	25,215,851
Additional investment	1,999,903
Loss from equity method investments	(1,066,637)
Share of income from equity method investments included in other comprehensive income (loss)	44,760
Balance at March 31, 2022	26,193,877
Atlantic Lithium
Increase (Decrease) in Equity Method Investment [Roll Forward]
Balance at December 31, 2021	15,400,371
Additional investment	0
Loss from equity method investments	(901,395)
Share of income from equity method investments included in other comprehensive income (loss)	84,369
Balance at March 31, 2022	14,583,345
Fair value of equity investments where market values from publicly traded entities are readily available	$ 38,678,400

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Fair value portion of investments accounted under the equity method.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount, after tax, of other comprehensive income (loss) (OCI) for proportionate share of equity method investee's OCI.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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