Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Sale of product	$ 10,368,823	$ 7,420,390
Cost of product	5,678,530	4,182,705
Gross profit	4,690,293	3,237,685
Operating costs and expenses:
Salaries and contract labor	2,311,710	2,118,257
General, administrative and consulting	2,200,044	2,808,303
Research and development	468,603	376,698
Total operating expenses	4,980,357	5,303,258
Operating loss	(290,064)	(2,065,573)
Other income (expense):
Other income (expense)	86,796	(256,390)
Loss on equity method investment		(946,844)
Equity in net income of affiliate		53,173
Interest income	9,428	3,051
Interest expense	(470,106)	(509,740)
Total other (expense)	(373,882)	(1,656,750)
Net loss	(663,946)	(3,722,323)
Income attributable to non-controlling interest	180,630	34,961
Net loss attributable to International Isotopes Inc.	$ (844,576)	$ (3,757,284)
Net loss per common share - basic and diluted	$ 0.00	$ (0.01)
Weighted average common shares outstanding - basic and diluted	411,071,598	406,361,656