Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Current Assets
Cash and cash equivalents	$ 5,749,056	$ 10,701,666
Accounts receivable	24,211	112,831
Deposits and prepaid expenses	155,571	289,644
Total Current Assets	5,928,838	11,104,141
Property and Equipment, net	6,420,964	7,055,874
Other Assets
Deferred Financing Costs	25,000	28,750
Deposits	269,061	268,937
Total Other Assets	294,061	297,687
TOTAL ASSETS	12,643,863	18,457,702
Current Liabilities
Accounts payable and accrued liabilities	2,891,175	2,608,364
Current portion of notes payable	57,948	246,894
Total Current Liabilities	2,949,123	2,855,258
Long-Term Liabilities
Long-term portion of notes payable	44,651	59,145
PIK notes payable, net of $17,919,567 and $18,400,297 debt discount, respectively	14,083,982	13,024,439
Total Long-Term Liabilities	22,970,276	23,119,209
Total Liabilities	$ 25,919,399	$ 25,974,467
Commitments and Contingencies (Note 10)
Stockholders’ Deficit
Preferred stock, $0.001 par value, 10,000,000 shares authorized, none issued and outstanding	$ 0	$ 0
Common stock, $0.001 par value, 200,000,000 shares authorized, 96,614,033 and 95,054,552 shares issued and outstanding at June 30, 2015 and December 31, 2014, respectively	96,614	95,055
Additional paid-in capital	65,689,480	64,526,469
Accumulated deficit prior to the exploration stage	(20,009,496)	(20,009,496)
Accumulated deficit during the exploration stage	(59,052,134)	(52,128,793)
Total Stockholders’ Deficit	(13,275,536)	(7,516,765)
TOTAL LIABILITIES AND STOCKHOLDERS’ DEFICIT	12,643,863	18,457,702
PIK Note Derivative Liability [Member]
Long-Term Liabilities
PIK Note derivatives	$ 8,841,643	$ 10,035,625