Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Sale of product	$ 2,617,514	$ 2,864,288	$ 7,369,922	$ 7,359,633
Cost of product	1,006,334	974,882	3,009,656	2,847,316
Gross profit	1,611,180	1,889,406	4,360,266	4,512,317
Operating costs and expenses
Salaries and contract labor	650,065	662,821	1,944,013	2,140,565
General, administrative and consulting	885,807	679,520	2,667,535	2,041,705
Research and development	73,886	57,051	183,102	145,444
Total operating expenses	1,609,758	1,399,392	4,794,650	4,327,714
Net operating income (loss)	1,422	490,014	(434,384)	184,603
Other income (expense):
Other income	54,083	95,503	229,559	679,216
Interest income	14	81	95	3,164
Interest expense	(191,544)	(193,085)	(601,291)	(584,309)
Total other (expense) income	(137,447)	(97,501)	(371,637)	98,071
Net (loss) income	(136,025)	392,513	(806,021)	282,674
Less income attributable to noncontrolling interest	844	85,463	113,387	168,790
Net (loss) income attributable to International Isotopes Inc.	$ (136,869)	$ 307,050	$ (919,408)	$ 113,884
Net loss per common share - basic:
Net loss per common share - diluted:
Weighted average common shares outstanding - basic:	494,635,990	424,054,007	469,627,961	422,832,562
Weighted average common shares outstanding - diluted:	494,635,990	433,442,413	469,627,961	432,220,968