Consolidated Balance Sheets - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 56,650	$ 27,987
Certificates of deposit	252,954	252,298
Accounts receivable	438,391	362,579
Inventories	755,261	914,709
Note receivable - sale of land	400,000	0
Other current assets	0	4,697
Total current assets	1,903,256	1,562,270
Properties, plants and equipment, net	15,227,172	15,132,897
Restricted cash for reclamation bonds	57,247	63,345
IVA receivable and other assets	369,448	372,742
Total assets	17,557,123	17,131,254
Current liabilities:
Checks issued and payable	46,482	28,248
Accounts payable	1,926,320	2,276,357
Due to factor	16,524	10,880
Accrued payroll, taxes and interest	159,037	185,283
Other accrued liabilities	353,911	168,578
Payables to related party	93,567	22,668
Deferred revenue	32,400	60,049
Notes payable to bank	183,917	192,565
Income taxes payable (Note 14)	0	443,110
Long-term debt, current portion, net of discount	705,460	546,988
Total current liabilities	3,517,618	3,934,726
Long-term debt, net of discount and current portion	1,027,730	1,239,126
Hillgrove advances payable (Note 10)	1,134,221	1,134,221
Stock payable to directors for services	175,000	175,000
Asset retirement obligation and accrued reclamation costs	277,720	271,572
Total liabilities	6,132,289	6,754,645
Commitments and contingencies (Note 4, 10 and 16)
Stockholders' equity:
Preferred stock $0.01 par value, 10,000,000 shares authorized: Series A: -0- shares issued and outstanding	0	0
Series B: 750,000 shares issued and outstanding (liquidation preference $930,000 and $922,500 respectively)	7,500	7,500
Series C: 177,904 shares issued and outstanding (liquidation preference $97,847 both years)	1,779	1,779
Series D: 1,751,005 shares issued and outstanding (liquidation preference $5,002,470 and $4,961,324 respectively)	17,509	17,509
Common stock, $0.01 par value, 90,000,000 shares authorized; 68,227,171 and 67,488,153 shares issued and outstanding, respectively	682,271	674,881
Additional paid-in capital	36,406,874	36,239,264
Accumulated deficit	(25,691,099)	(26,564,324)
Total stockholders' equity	11,424,834	10,376,609
Total liabilities and stockholders' equity	$ 17,557,123	$ 17,131,254