CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 99,246,963	$ 64,244,983
Other current assets	2,611,841	2,514,602
Total current assets	101,858,804	66,759,585
Property, plant and mine development, net	71,540,798	40,055,354
Other non-current assets	18,873,679	4,561,122
Equity method investments in unconsolidated affiliates	95,647,802	58,872,710
Total assets	287,921,083	170,248,771
Liabilities and Stockholders’ Equity
Accounts payable and accrued expenses	12,861,514	6,688,242
Current portion of long-term debt	425,187	762,189
Other current liabilities	124,464	99,587
Total current liabilities	13,411,165	7,550,018
Long-term debt, net of current portion	163,425	914,147
Operating lease liabilities, net of current portion	1,176,709	0
Deferred tax liabilities	2,881,123	0
Total liabilities	17,632,422	8,464,165
Commitments and contingencies (Note 14)
Stockholders’ equity:
Common stock; $0.0001 par value, 100,000,000 shares authorized; 18,073,367 and 15,894,395 shares issued and outstanding at December 31, 2022, and December 31, 2021, respectively	1,807	1,589
Additional paid-in capital	381,241,814	255,131,836
Accumulated deficit	(105,657,674)	(92,683,000)
Accumulated other comprehensive loss	(5,297,286)	(665,819)
Total stockholders’ equity	270,288,661	161,784,606
Total liabilities and stockholders’ equity	$ 287,921,083	$ 170,248,771
Common stock, shares outstanding (in shares)	18,073,367	15,894,395
Common stock, shares issued (in shares)	18,073,367	15,894,395