Inventories (Tables)

6 Months Ended

12 Months Ended

Jul. 31, 2021

Jan. 31, 2021

Inventory Disclosure [Abstract]

Schedule of Inventories

	July 31, 2021			January 31, 2021
	(in thousands)
Inventories:
Raw materials	$	7,468		$	6,905
Finished goods		3,455			3,466
Work in progress		2,404			2,445
		13,327			12,816
Less allowance for obsolescence		(1,399	)		(1,363	)
Total inventories, net	$	11,928		$	11,453

Inventories from continuing operations consisted of the following (in thousands):

	As of January 31,
	2021			2020
Raw materials	$	6,905		$	7,388
Finished goods		3,466			3,758
Work in progress		2,445			2,720
Cost of inventories		12,816			13,866
Less allowance for obsolescence		(1,363	)		(1,210	)
Net inventories	$	11,453		$	12,656