Note 10 - Segment Information (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
Sale of Product	2024		2023		2024		2023
Theranostics Products	$	2,169,131	$	1,736,043	$	4,074,213	$	3,498,439
Cobalt Products		592,199		448,258		826,167		606,566
Nuclear Medicine Standards		407,903		927,864		1,173,311		2,096,695
Medical Device Products		—		—		—		—
Fluorine Products		—		—		—		—
Total Segments		3,169,233		3,112,165		6,073,691		6,201,700
Corporate revenue		—		—		—		—
Total Consolidated	$	3,169,233	$	3,112,165	$	6,073,691	$	6,201,700

	Three months ended June 30,				Six months ended June 30,
Depreciation and Amortization	2024		2023		2024		2023
Theranostics Products	$	5,697	$	6,665	$	14,743	$	13,824
Cobalt Products		23,527		13,142		27,414		25,976
Nuclear Medicine Standards		32,866		28,900		61,419		58,109
Medical Device Products		—		—		—		—
Fluorine Products		26,095		28,970		57,940		57,940
Total Segments		88,185		77,677		161,516		155,849
Corporate depreciation and amortization		10,790		10,453		38,906		19,549
Total Consolidated	$	98,975	$	88,130	$	200,422	$	175,398

	Three months ended June 30,						Six months ended June 30,
Segment Income (Loss)	2024			2023			2024			2023
Theranostics Products	$	1,171,390		$	717,455		$	2,184,854		$	1,484,567
Cobalt Products		99,324			53,640			32,999			27,395
Nuclear Medicine Standards		(377,758	)		9,728			(368,262	)		138,513
Medical Device Products		(83,839	)		—			(112,350	)		—
Fluorine Products		(26,095	)		(21,895	)		(4,846	)		(51,134	)
Total Segments		783,022			758,928			1,732,395			1,599,341
Corporate loss		(1,016,467	)		(1,022,230	)		(2,119,891	)		(2,010,697	)
Net Income	$	(233,445	)	$	(263,302	)	$	(387,496	)	$	(411,356	)

	Three months ended June 30,				Six months ended June 30,
Expenditures for Segment Assets	2024		2023		2024		2023
Theranostics Products	$	—	$	—	$	93,924	$	—
Cobalt Products		39,799		6,165		39,799		6,165
Nuclear Medicine Standards		—		—		49,038		3,130
Medical Device Products		—		—		—		—
Fluorine Products		—		—		—		—
Total Segments		39,799		6,165		182,761		9,295
Corporate purchases		4,216		8,155		32,175		57,227
Total Consolidated	$	44,015	$	14,320	$	214,936	$	66,522

	June 30,		December 31,
Segment Assets	2024		2023
Theranostics Products	$	929,131	$	849,351
Cobalt Products		265,543		274,513
Nuclear Medicine Standards		2,418,002		2,986,458
Medical Device Products		552,100		552,100
Fluorine Products		4,927,928		4,980,118
Total Segments		9,092,704		9,642,540
Corporate assets		6,831,674		7,262,547
Total Consolidated	$	15,924,378	$	16,905,087