Segment Information - Schedule of Segment Reporting Information by Segment (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Sale of product	$ 2,759,896	$ 2,159,559	$ 4,752,408	$ 4,495,345
Depreciation and amortization	147,048	74,173	287,250	148,790
Segment Income (Loss)	(181,387)	229,328	(782,539)	(193,166)
Expenditures for Segment Assets	32,911		191,666	1,565
Segment Assets	15,809,746		15,809,746		$ 17,096,749
Radiochemical Products
Segment Reporting Information [Line Items]
Sale of product	1,228,209	1,113,053	1,889,386	1,868,274
Cobalt Products
Segment Reporting Information [Line Items]
Sale of product	576,994	224,666	695,367	530,286
Nuclear Medicine Products
Segment Reporting Information [Line Items]
Sale of product	885,728	777,873	2,014,887	1,819,997
Radiological Services
Segment Reporting Information [Line Items]
Sale of product	68,965	43,967	130,755	116,288
Fluorine Products
Segment Reporting Information [Line Items]
Sale of product			22,013	160,500
Operating Segments
Segment Reporting Information [Line Items]
Sale of product	2,759,896	2,159,559	4,752,408	4,495,345
Depreciation and amortization	140,107	74,522	276,010	144,357
Segment Income (Loss)	691,496	523,666	895,628	946,323
Expenditures for Segment Assets	32,911		191,666	1,565
Segment Assets	11,262,758		11,262,758		11,143,991
Operating Segments | Radiochemical Products
Segment Reporting Information [Line Items]
Sale of product	1,228,209	1,113,053	1,889,386	1,868,274
Depreciation and amortization	78,430	10,354	157,977	20,708
Segment Income (Loss)	404,457	380,728	408,882	386,347
Expenditures for Segment Assets			3,103
Segment Assets	3,067,625		3,067,625		2,916,442
Operating Segments | Cobalt Products
Segment Reporting Information [Line Items]
Sale of product	576,994	224,666	695,367	530,286
Depreciation and amortization	12,399	8,762	26,038	17,523
Segment Income (Loss)	208,581	75,874	178,484	199,670
Expenditures for Segment Assets			16,592
Segment Assets	632,133		632,133		743,127
Operating Segments | Nuclear Medicine Products
Segment Reporting Information [Line Items]
Sale of product	885,728	777,873	2,014,887	1,819,997
Depreciation and amortization	17,868	15,989	34,238	31,978
Segment Income (Loss)	51,843	117,056	262,754	302,357
Expenditures for Segment Assets	32,911		167,911
Segment Assets	2,235,779		2,235,779		2,052,220
Operating Segments | Radiological Services
Segment Reporting Information [Line Items]
Sale of product	68,965	43,967	130,755	116,288
Depreciation and amortization	252	8,519	504	17,155
Segment Income (Loss)	58,242	(13,532)	110,649	(28,461)
Expenditures for Segment Assets
Segment Assets	15,057		15,057		60,696
Operating Segments | Fluorine Products
Segment Reporting Information [Line Items]
Sale of product			22,013	160,500
Depreciation and amortization	31,158	30,898	57,253	56,993
Segment Income (Loss)	(31,627)	(36,460)	(65,141)	86,410
Expenditures for Segment Assets			4,060	1,565
Segment Assets	5,312,164		5,312,164		5,371,506
Corporate Allocation
Segment Reporting Information [Line Items]
Sale of product
Depreciation and amortization	6,941	(349)	11,240	4,433
Segment Income (Loss)	(872,883)	(294,338)	(1,678,167)	(1,139,489)
Expenditures for Segment Assets
Segment Assets	$ 4,546,988		$ 4,546,988		$ 5,952,758