Current Developments and Liquidity (Details Narrative) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net (loss) income attributable to International Isotopes Inc.	$ (51,958)	$ 34,404
Net cash (used in) provided by operating activities	$ (420,576)	$ 127,840
Operating license term, description	NRC license for the de-conversion facility for a 40 year operating license.