Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Sale of product	$ 2,801,026	$ 1,834,208
Cost of product	1,442,408	1,023,968
Gross profit	1,358,618	810,240
Operating costs and expenses:
Salaries and contract labor	569,459	493,881
General, administrative and consulting	533,134	874,102
Research and development	106,420	124,670
Total operating expenses	1,209,013	1,492,653
Net operating income (loss)	149,605	(682,413)
Other income (expense):
Other income	53,362	125
Equity in net income of affiliate	0	22,965
Interest income	1,307	421
Interest expense	(106,034)	(133,316)
Total other expense	(51,365)	(109,805)
Net income (loss)	98,240	(792,218)
Less Income (loss) attributable to non-controlling interest	63,836	(5,952)
Net income (loss) attributable to International Isotopes Inc.	$ 34,404	$ (786,266)
Net income (loss) per common share - basic	$ 0.00	$ 0.00
Net income (loss) per common share - diluted	$ 0.00	$ 0.00
Weighted average common shares outstanding - basic	407,423,051	405,649,164
Weighted average common shares outstanding - diluted	526,418,051	405,649,164