Segment Information - Schedule of Segment Reporting Information by Segment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Sale of product	$ 2,807,441	$ 1,992,512
Depreciation and amortization	119,118	140,202
Segment income (loss)	1,255,045	(601,152)
Expenditures for segment assets	51,100	158,755
Segment assets	17,053,138		$ 16,327,142
Radiochemical Products
Segment Reporting Information [Line Items]
Sale of product	1,625,923	661,177
Cobalt Products
Segment Reporting Information [Line Items]
Sale of product	171,906	118,373
Nuclear Medicine Products
Segment Reporting Information [Line Items]
Sale of product	1,009,612	1,190,949
Fluorine Products
Segment Reporting Information [Line Items]
Sale of product		22,013
Operating Segments [Member]
Segment Reporting Information [Line Items]
Sale of product	2,807,441	1,992,512
Depreciation and amortization	108,812	135,903
Segment income (loss)	2,463,474	204,132
Expenditures for segment assets	51,100	158,755
Segment assets	8,251,174		11,006,592
Operating Segments [Member] | Radiochemical Products
Segment Reporting Information [Line Items]
Sale of product	1,625,923	661,177
Depreciation and amortization	41,930	79,547
Segment income (loss)	2,470,663	4,425
Expenditures for segment assets		3,103
Segment assets	1,058,297		2,890,590
Operating Segments [Member] | Cobalt Products
Segment Reporting Information [Line Items]
Sale of product	171,906	118,373
Depreciation and amortization	12,141	13,639
Segment income (loss)	(13,075)	(30,097)
Expenditures for segment assets		16,592
Segment assets	550,321		597,420
Operating Segments [Member] | Nuclear Medicine Products
Segment Reporting Information [Line Items]
Sale of product	1,009,612	1,190,949
Depreciation and amortization	28,646	16,622
Segment income (loss)	37,716	263,318
Expenditures for segment assets	51,100	135,000
Segment assets	1,412,533		2,259,759
Operating Segments [Member] | Fluorine Products
Segment Reporting Information [Line Items]
Sale of product		22,013
Depreciation and amortization	26,095	26,095
Segment income (loss)	(31,830)	(33,514)
Expenditures for segment assets		4,060
Segment assets	5,230,023		5,258,823
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Sale of product
Depreciation and amortization	10,306	4,299
Segment income (loss)	(1,208,429)	(805,284)
Expenditures for segment assets
Segment assets	$ 8,801,964		$ 5,320,550