Note 13 - Agreements and Commitments (Details Textual)								1 Months Ended	3 Months Ended	6 Months Ended		9 Months Ended	12 Months Ended
	Nov. 01, 2015 USD ($)	Nov. 10, 2014 USD ($) shares	Jul. 05, 2013 USD ($) km²	Oct. 26, 2012 USD ($)	Jul. 11, 2012 USD ($)	Feb. 06, 2012 USD ($)	Apr. 01, 2011 USD ($)	Jan. 31, 2016 USD ($)	Mar. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Sep. 30, 2013 USD ($)	Dec. 31, 2016 AMD	Dec. 31, 2016 USD ($)	Dec. 31, 2011 USD ($) t	Feb. 25, 2010 USD ($) t	Mar. 24, 2009
Customer Advances, Current										$ 87,020				$ 87,020
Mining Agreement Term			15 years
Litigation Settlement, Amount Awarded from Other Party					$ 37,537,978.02
Loss Contingency, Damages Sought, Value									$ 540,000
Proceeds from Legal Settlements					$ 150,000
Initial Consideration By Other Member JV Agreement															$ 5,000,000
Advance Receivable From Affiliate Joint Venture															500,000
Receivable Before Sale Remaining Amount															4,500,000
Payment Receivable Following Execution Of Agreement Joint Venture															1,400,000
Value Of Equity Method Investment						$ 40,000,000
Joint Venture Interest Measurement Period						30 days
Operating Leases, Future Minimum Payments, Due in Two Years										81,924
Operating Leases, Future Minimum Payments, Due in Three Years										84,381
Operating Leases, Future Minimum Payments, Due in Four Years										94,172
Operating Leases, Future Minimum Payments, Due in Five Years
Interest Paid
Tokhmanuk Mine [Member]
Area of Land | km²			50
Marjan Gold Mine [Member]
Litigation Settlement, Amount Awarded from Other Party		$ 10,844,413
Litigation Settlement Damages Awarded Interest Rate		9.00%
Funds Raised in Conjunction with Joint Venture Agreement		$ 5,000,000
Marjan Gold Mine [Member] | Compensation [Member]
Litigation Settlement, Amount Awarded from Other Party		3,000,000
Marjan Gold Mine [Member] | Punitive Damages [Member]
Litigation Settlement, Amount Awarded from Other Party		1,000,000
Caldera Resources [Member]
Funds Raised in Conjunction with Joint Venture Agreement		5,000,000
Minimum Threshold for NSR Royalty Interest		1,000,000
Proceeds from Legal Settlements		$ 150,000
Number of Shares to Be Turnedover | shares		500,000
Caldera Resources [Member] | Punitive Damages [Member]
Litigation Settlement, Amount Awarded from Other Party		$ 1,000,000
Caldera Resources [Member] | Withholding of Assets [Member]
Litigation Settlement, Amount Awarded from Other Party		50,000
Litigation Settlement Amount To Be Paid Per Day		250
Caldera Resources [Member] | Witholding Direct and Indirect Communication [Member]
Litigation Settlement Amount To Be Paid Per Day		100
Caldera Resources [Member] | Correction of Earlier Press Release [Member]
Litigation Settlement, Amount Awarded from Other Party		50,000
Litigation Settlement Amount To Be Paid Per Day		100
Caldera Resources [Member] | Refusal to Turnover Stock [Member]
Litigation Settlement, Amount Awarded from Other Party		115,000
Caldera Resources [Member] | Failure to Make Agreed Payments [Member]
Litigation Settlement, Amount Awarded from Other Party		3,174,209
Caldera Resources [Member] | Legacy Government Liabilities [Member]
Litigation Settlement, Amount Awarded from Other Party		577,174
Caldera Resources [Member] | Violiation and Interference [Member]
Litigation Settlement, Amount Awarded from Other Party		967,345
Caldera Resources [Member] | Compensatory Damages [Member]
Litigation Settlement, Amount Awarded from Other Party		3,000,000
Caldera Resources [Member] | Violation of Confidentiality Stipulation [Member]
Litigation Settlement Amount To Be Paid Per Day		100
Caldera Resources [Member] | Legal Fees and Cost [Member]
Litigation Settlement, Amount Awarded from Other Party		1,822,416
Caldera Resources [Member] | Compensation and Expenses of Arbitrator [Member]
Litigation Settlement, Amount Awarded from Other Party		$ 88,269
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate			8.00%
GGCR Mining LLC [Member]
Equity Method Investment, Ownership Percentage				51.00%
Value Of Equity Method Investment				$ 40,000,000
Joint Venture Interest Measurement Period				30 years
Due from Joint Ventures												$ 5,244,865
Interest Receivable												164,224
Interest Paid												$ 0
Global Gold Consolidated Resources Limited [Member]
Percent of Options Granted			10.00%
Equity Method Investment, Ownership Percentage										51.00%
Global Gold Consolidated Resources Limited [Member] | Linne Mining LLC [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 8,800,000
Incentive Based Compensation Model Options Percent			10.00%
Global Gold Consolidated Resources Limited [Member] | Linne Mining LLC [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate			8.00%
Linne Mining LLC [Member] | Miners Profits Misappropriated [Member]
Litigation Settlement, Amount Awarded from Other Party								$ 30,600,000
Contractor Bonus Payment								10.00%
Mego Gold LLC [Member] | Linne Mining LLC [Member] | Miners Profits Misappropriated [Member]
Loss Contingency, Damages Sought, Value														39,000,000
Mego Gold LLC [Member] | Interkapal [Member] | Miners Profits Misappropriated [Member] | Construction Agreement [Member]
Litigation Settlement, Amount Awarded to Other Party | AMD													AMD 41,380,000
Mego Gold and Linne Mining [Member] | Interkapal [Member] | Miners Profits Misappropriated [Member] | Construction Agreement [Member]
Loss Contingency, Damages Sought, Value | AMD													41,380,000
Loss Contingency, Damages Sought, State Fees and Penalties | AMD													AMD 800,000
Following Satisfactory Completion Of Due Diligence By CRU [Member]
Payments Receivable Joint Venture Affiliates															1,400,000
Advance [Member]
Payments Receivable Joint Venture Affiliates															3,100,000
Remaining After Execution Of Agreement [Member]
Receivable Before Sale Remaining Amount															3,100,000
Industrial Minerals Agreements [Member]
Percent Of LBMA																85.00%	85.00%
Customer Advances, Current									$ 87,020					$ 87,020		$ 450,000
Amount Of Gold And Silver Concentrate | t																2,250
Industrial Minerals Agreements [Member] | Amount of Concrentrate Delivered at Lower Rate [Member]
Amount Of Gold And Silver Concentrate | t																2,250
Industrial Minerals Agreements [Member] | Paid On First 2250 Metric Tons [Member]
Percent Of LBMA																80.00%
Consolidated Resource Agreement [Member]
Investments in and Advances to Affiliates, at Fair Value															500,000
Proceeds from Collection of Notes Receivable															$ 5,000,000
Equity Method Investment, Ownership Percentage						51.00%
Percent Of Outstanding Common Stock						65.00%
Consolidated Resource Agreement [Member] | Joint Venture Company [Member]
Production Capacity | t															300,000
Equity Method Investment, Ownership Percentage															51.00%
Value Of Equity Method Investment															$ 40,000,000
Consolidated Resource Agreement [Member] | Mego Gold LLC And Getik Mining Transferred In GGCR Mining LLC [Member]
Equity Method Investment, Ownership Percentage						100.00%
Rent Agreements [Member]
Operating Leases, Future Minimum Payments Due, Next Twelve Months							$ 63,045
Operating Leases, Future Minimum Payments, Due in Two Years							64,212
Operating Leases, Future Minimum Payments, Due in Three Years							65,380
Operating Leases, Future Minimum Payments, Due in Four Years							66,547
Operating Leases, Future Minimum Payments, Due in Five Years							$ 67,715
Rent Agreements [Member] | Office Space Suite C-305 [Member]
Annual Rent Cost	$ 77,409
Rent Agreements [Member] | Facility Lease [Member]
Number Of Years							5 years