Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Total liabilities and stockholders' equity	$ 35,002,727	$ 13,299,502
Current assets:
Cash and cash equivalents	21,363,048	665,102
Certificates of deposit	259,210	254,212
Accounts receivable	891,314	238,634
Inventories	1,055,420	650,213
Total current assets	23,568,992	1,808,161
Properties, plants and equipment, net	11,133,733	11,225,594
Restricted cash for reclamation bonds	57,281	57,275
IVA receivable and other assets	242,721	208,472
Total assets	35,002,727	13,299,502
Current liabilities:
Checks issued and payable	0	86,685
Accounts payable	1,385,752	1,876,874
Payables to related party	0	227,432
Accrued liabilities	621,873	635,626
Notes payable to bank	0	100,000
Export tax assessment payable (Note 13)	0	1,120,730
Hillgrove advances payable (Note 10)	0	378,074
Long-term debt, current portion, net of discount	13,230	52,122
Total current liabilities	2,020,855	4,477,543
Long-term debt, net of current portion	201,920	34,304
Hillgrove advances payable (Note 8)	0	756,147
CARES Act note payable	0	443,400
Stock payable to directors for services	112,500	110,000
Asset retirement obligation and accrued reclamation costs	298,649	291,719
Total liabilities	2,633,924	6,113,113
Stockholders' equity:
Common stock, $0.01 par value, 150,000,000 shares authorized; 75,949,757 and 69,661,436 shares issued and outstanding, respectively	1,062,402	759,496
Additional paid-in capital	63,991,459	39,050,899
Accumulated deficit	(32,711,263)	(32,650,794)
Total stockholders' equity	32,368,803	7,186,389
Series B Preferred Stock
Stockholders' equity:
Preferred stock	7,500	7,500
Series A Preferred Stock
Stockholders' equity:
Preferred stock		0
Series C Preferred Stock
Stockholders' equity:
Preferred stock	1,779	1,779
Series D Preferred Stock
Stockholders' equity:
Preferred stock	$ 16,926	$ 17,509