Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Sale of product	$ 7,420,390	$ 6,552,149
Cost of product	4,182,705	3,707,558
Gross profit	3,237,685	2,844,591
Operating costs and expenses:
Salaries and contract labor	2,118,257	1,782,774
General, administrative and consulting	2,808,303	2,053,518
Research and development	376,698	511,283
Total operating expenses	5,303,258	4,347,575
Operating loss	(2,065,573)	(1,502,984)
Other income (expense):
Other income (expense)	(256,390)	6,605
Loss on equity method investment	(946,844)	0
Equity in net income of affiliate	53,173	73,957
Interest income	3,051	938
Interest expense	(509,740)	(474,059)
Total other (expense)	(1,656,750)	(392,559)
Net loss	(3,722,323)	(1,895,543)
Income (loss) attributable to non-controlling interest	34,961	(16,431)
Net loss attributable to International Isotopes Inc.	$ (3,757,284)	$ (1,879,112)
Net loss per common share - basic and diluted	$ (0.01)	$ (0.00)
Weighted average common shares outstanding - basic and diluted	406,361,656	403,302,425