CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
OPERATING EXPENSES:
Exploration and evaluation	$ 173	$ 103
General and administrative expense	1,493	1,299
Gain on Sale of non-core properties and assets	(547)
TOTAL OPERATING EXPENSES	1,119	1,402
(LOSS) FROM OPERATIONS	(1,119)	(1,402)
OTHER INCOME/(EXPENSE):
Interest expense	(759)	(55)
Other income	752
TOTAL OTHER (EXPENSE)/INCOME, NET	(7)	(55)
(LOSS) BEFORE INCOME TAXES	(1,126)	(1,457)
CONSOLIDATED NET (LOSS)	(1,126)	(1,457)
Less: Net loss attributable to CRNCI	(75)	36
NET LOSS ATTRIBUTABLE TO GMI	$ (1,201)	$ (1,421)
Basic and diluted net loss attributable to GMI per share of common stock (in dollars per share)	$ (0.01)	$ (0.01)
Weighted average number of shares outstanding - basic and diluted (in shares)	152,669	137,471
COMPREHENSIVE (LOSS)	$ (1,201)	$ (1,421)