Major Customer and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Revenues from Non-affiliated Customers

	Year ended December 31
	2021			2020
Customer A		48	%		62	%
Customer B		27	%		16	%

Non-affiliated Customers with Accounts Receivable More Than 10%

	December 31
	2021			2020
Customer A		21	%		25	%
Customer B		74	%		65	%

Revenue by Geographic Region

	Year ended December 31
	2021		2020
North America	$	812,800	$	701,600
South America		4,100		2,200
Asia		1,041,300		1,845,500
Australia		93,700		109,400
	$	1,951,900	$	2,658,700