Summary of Significant Accounting Policies - Reconciliation of Basic and Diluted Earnings Per Share to Net Income (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Numerator:
Net income attributable to common stockholders	$ 553	$ 1,374
Effect of dilutive securities:	0	27
Diluted net income	$ 553	$ 1,401
Denominator:
Weighted average common shares outstanding – basic (in shares)	37,259,000	36,394,000
Weighted average common shares outstanding and assumed conversion – diluted (in shares)	39,328,000	37,626,000
Basic net income per common share (in dollars per share)	$ 0.01	$ 0.04
Diluted net income per common share (in dollars per share)	$ 0.01	$ 0.04
Warrants
Denominator:
Anti-dilutive securities excluded (in shares)	0	14,000
Restricted stock
Denominator:
Dilutive securities (in shares)	351,000	135,000
Performance stock awards
Denominator:
Dilutive securities (in shares)	1,650,000	0
Options
Denominator:
Dilutive securities (in shares)	68,000	278,000
Series B Preferred stock
Denominator:
Dilutive securities (in shares)	0	819,000