CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Expenses:
Product development expenses	$ (233)	$ (1,823)
Exploration expenses	(208)	(145)
General and administrative expenses	(2,211)	(2,084)
Arbitration costs	(142)	(1,532)
Depreciation and amortization	(22)	(1)
Total operating expenses	(2,816)	(5,585)
Non-Operating Income:
Unrealized gain on equity securities		193
Other income	7	2
Total other income	7	195
Net Loss	$ (2,809)	$ (5,390)
BASIC AND DILUTED LOSS PER SHARE
LOSS PER SHARE, BASIC	$ (0.08)	$ (0.19)
LOSS PER SHARE, DILUTED	$ (0.08)	$ (0.19)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING, BASIC	36,757,352	28,597,938
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING, DILUTED	36,757,352	28,597,938