Note 7 - Balance Sheet - Schedule of Inventories (Details) - USD ($) $ in Thousands	Jul. 31, 2023		Jan. 31, 2023
Raw materials	$ 8,730		$ 8,480
Finished goods	3,936		4,156
Work in progress	4,876		4,422
Cost of inventories	17,542		17,058
Less allowance for obsolescence	(1,891)		(1,740)
Total inventories, net	$ 15,651	[1],[2]	$ 15,318

[1] Adjustments represent the disposition of assets and liabilities of the Klein operations.

[2] Reflects the condensed consolidated balance sheet as of July 31, 2023 and condensed consolidated statement of operations for the three and six months ended July 31, 2023 in the Form 10-Q.