Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Summary of Sales from Contracts with Customers Disaggregated by Business Segment and Geography

The following tables present the Company’s revenue disaggregated by business segment and geography, based on management’s assessment of available data:

	Three Months Ended September 30, 2020									Three Months Ended September 30, 2019
	U.S.		Outside U.S.		Total Revenues		% of Total Revenues			U.S.		Outside U.S.		Total Revenues		% of Total Revenues
Radiochemical Products	$	1,149,698	$	144,848	$	1,294,546		45	%	$	917,886	$	18,770	$	936,656		40	%
Cobalt Products		544,989		—		544,989		19	%		97,849		—		97,849		4	%
Nuclear Medicine Products		755,556		202,737		958,293		34	%		1,022,291		—		1,022,291		44	%
Radiological Services		54,760		—		54,760		2	%		280,692		—		280,692		12	%
Fluorine Products		11,700		—		11,700		0	%		—		—		—		0	%
	$	2,516,703	$	347,585	$	2,864,288		100	%	$	2,318,718	$	18,770	$	2,337,488		100	%

	Nine Months Ended September 30, 2020									Nine Months Ended September 30, 2019
	U.S.		Outside U.S.		Total Revenues		% of Total Revenues			U.S.		Outside U.S.		Total Revenues		% of Total Revenues
Radiochemical Products	$	2,807,241	$	355,579	$	3,162,820		43	%	$	2,151,960	$	22,035	$	2,173,995		31	%
Cobalt Products		1,067,417		7,858		1,075,275		15	%		687,177		—		687,177		10	%
Nuclear Medicine Products		2,215,330		562,960		2,778,290		38	%		3,023,425		30,484		3,053,909		44	%
Radiological Services		171,048		—		171,048		2	%		1,086,098		—		1,086,098		16	%
Fluorine Products		172,200		—		172,200		2	%		—		—		—		0	%
	$	6,433,236	$	926,397	$	7,359,633		100	%	$	6,948,660	$	52,519	$	7,001,179		100	%