Consolidated Statements Shareholders' Equity - USD ($)	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Equity Attributable to Internat'l Isotopes Shareholders	Equity Attributable to Noncontrolling Interest	Total
Beginning balance, value at Dec. 31, 2016	$ 4,049,998	$ 119,595,535	$ (121,939,561)	$ 1,705,972	$ 50,169	$ 1,756,141
Beginning balance, shares at Dec. 31, 2016	404,999,758
Shares issued under employee stock purchase plan, value	$ 938	5,177		6,115		6,115
Shares issued under employee stock purchase plan, shares	93,865
Increase in noncontrolling interest through consolidation accounting					1,492,115	1,492,115
Shares issued for exercise of employee stock options, value	$ 14,873	(5,540)		9,333		9,333
Shares issued for exercise of employee stock options, shares	1,487,255
Stock grant, value	$ 2,098	(2,098)
Stock grant, shares	209,825
Warrants issued with preferred C shares		641,673		641,673		641,673
Stock based compensation		163,873		163,873		163,873
Net loss			(3,757,284)	(3,757,284)	34,961	(3,722,323)
Ending balance, value at Dec. 31, 2017	$ 4,067,907	120,398,620	(125,696,845)	(1,230,318)	1,577,245	346,927
Ending balance, shares at Dec. 31, 2017	406,790,703
Shares issued under employee stock purchase plan, value	$ 1,142	5,555		6,697		6,697
Shares issued under employee stock purchase plan, shares	114,170
Shares issued for exercise of employee stock options, value	$ 37,650	32,350		70,000		70,000
Shares issued for exercise of employee stock options, shares	3,764,957
Shares issued in lieu of dividends on preferred C shares, value	$ 22,886	183,094		205,980		205,980
Shares issued in lieu of dividends on preferred C shares, shares	2,288,646
Stock grant, value	$ 2,098	(2,098)
Stock grant, shares	209,825
Stock based compensation		188,476		188,476		188,476
Net loss			(844,576)	(844,576)	180,630	(663,946)
Ending balance, value at Dec. 31, 2018	$ 4,131,683	$ 120,805,997	$ (126,541,421)	$ (1,603,741)	$ 1,757,875	$ 154,134
Ending balance, shares at Dec. 31, 2018	413,168,301