D. Inventories

Inventories consisted of the following (in thousands):


	January 31, 2016		April 30, 2015
Finished products	$	4,117	$	2,936
Work in process		1,633		1,422
Raw materials		10,404		8,387

	$	16,154	$	12,745

For interim reporting, LIFO inventories are computed based on year-to-date quantities and interim changes in price levels. Changes in quantities and price levels are reflected in the interim consolidated financial statements in the period in which they occur.