Inventories

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

Inventories

5.Inventories

Inventories consist of the following:

December 31,	2021			2020
Inventory at FIFO
Finished goods	$	7,322		$	2,878
Materials and products in process		92,701			77,609
Gross inventories		100,023			80,487
Less: LIFO reserve		(51,826	)		(48,016	)
Less: excess and obsolescence reserve		(4,347	)		(3,394	)
Net Inventories	$	43,850		$	29,077