Segment Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Sale of Product	$ 2,335,786	$ 2,527,852
Depreciation and Amortization	74,617	64,985
Segment Income (Loss)	(422,494)	(51,958)
Expenditures for Segment Assets	1,565	5,084
Segment Assets	17,158,384		$ 15,256,795
Radiochemical Products
Segment Reporting Information [Line Items]
Sale of Product	755,221	463,232
Cobalt Products
Segment Reporting Information [Line Items]
Sale of Product	305,620	376,089
Radiological Services
Segment Reporting Information [Line Items]
Sale of Product	72,321	587,609
Fluorine Products
Segment Reporting Information [Line Items]
Sale of Product	160,500	0
Operating Segments
Segment Reporting Information [Line Items]
Sale of Product	2,335,786	2,527,852
Depreciation and Amortization	69,835	60,248
Segment Income (Loss)	422,657	779,481
Expenditures for Segment Assets	1,565	5,084
Segment Assets	11,591,845		11,576,616
Operating Segments | Radiochemical Products
Segment Reporting Information [Line Items]
Sale of Product	755,221	463,232
Depreciation and Amortization	10,354	8,817
Segment Income (Loss)	5,619	96,006
Expenditures for Segment Assets	0	0
Segment Assets	536,603		511,381
Operating Segments | Cobalt Products
Segment Reporting Information [Line Items]
Sale of Product	305,620	376,089
Depreciation and Amortization	8,761	1,080
Segment Income (Loss)	123,796	192,870
Expenditures for Segment Assets	0	3,494
Segment Assets	3,388,527		3,369,828
Operating Segments | Nuclear Medicine Standards
Segment Reporting Information [Line Items]
Sale of Product	1,042,124	1,100,922
Depreciation and Amortization	15,989	15,619
Segment Income (Loss)	185,301	216,822
Expenditures for Segment Assets	0	0
Segment Assets	2,087,295		2,111,225
Operating Segments | Radiological Services
Segment Reporting Information [Line Items]
Sale of Product	72,321	587,609
Depreciation and Amortization	8,636	8,636
Segment Income (Loss)	(14,929)	311,279
Expenditures for Segment Assets	0	0
Segment Assets	96,427		106,374
Operating Segments | Fluorine Products
Segment Reporting Information [Line Items]
Sale of Product	160,500	0
Depreciation and Amortization	26,095	26,095
Segment Income (Loss)	122,870	(37,495)
Expenditures for Segment Assets	1,565	1,590
Segment Assets	5,482,993		5,477,808
Corporate Allocation
Segment Reporting Information [Line Items]
Sale of Product	0	0
Depreciation and Amortization	4,782	4,737
Segment Income (Loss)	(845,151)	(831,439)
Expenditures for Segment Assets	0	$ 0
Segment Assets	$ 5,566,539		$ 3,680,179