Note 8 - Stock-based Compensation - Restricted Stock Activity (Details) - Restricted Stock [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Jul. 31, 2024	Jan. 31, 2024
Outstanding (in shares)	222
Outstanding, weighted average price (in dollars per share)	$ 9.33
Outstanding, aggregate intrinsic value	$ 2,083	$ 2,078
Granted (in shares)	108
Granted, weighted average price (in dollars per share)	$ 8.81
Vested and issued (in shares)	(73)
Vested and issued, weighted average price (in dollars per share)	$ 9.36
Forfeited or retired for taxes (in shares)	(27)
Forfeited or retired for taxes (in dollars per share)	$ 10.25
Outstanding (in shares)	230
Outstanding, weighted average price (in dollars per share)	$ 9.05