Condensed Consolidated Statements of Changes in Stockholders’ Equity (Unaudited) - USD ($) $ in Thousands	Total	Series A Preferred Stock	Series B Preferred Stock	Preferred Stock Series A Preferred Stock	Preferred Stock Series B Preferred Stock	Common Stock	Treasury Stock	Additional Paid In Capital	Accumulated Deficit
Beginning balance, preferred stock (in shares) at Jan. 31, 2024				0	0
Beginning balance at Jan. 31, 2024	$ 19,581			$ 0	$ 0	$ 0	$ (150)	$ 23,278	$ (3,547)
Beginning balance, common stock (in shares) at Jan. 31, 2024						37,488,000
Beginning balance, treasury stock (in shares) at Jan. 31, 2024							(230,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation	205							205
Stock issued for the exercise of options (in shares)						0
Stock issued for the exercise of options	7							7
Net income	553								553
Ending balance, preferred stock (in shares) at Apr. 30, 2024				0	0
Ending balance at Apr. 30, 2024	20,346			$ 0	$ 0	$ 0	$ (150)	23,490	(2,994)
Ending balance, common stock (in shares) at Apr. 30, 2024						37,488,000
Ending balance, treasury stock (in shares) at Apr. 30, 2024							(230,000)
Beginning balance, preferred stock (in shares) at Jan. 31, 2025		0	0	0	0
Beginning balance at Jan. 31, 2025	$ 24,896			$ 0	$ 0	$ 0	$ (150)	24,882	164
Beginning balance, common stock (in shares) at Jan. 31, 2025	37,596,000					37,826,000
Beginning balance, treasury stock (in shares) at Jan. 31, 2025	(230,000)						(230,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation (in shares)						8,000
Stock based compensation	$ 305							305
Stock issued for the exercise of options (in shares)	0
Net income	$ 1,237								1,237
Ending balance, preferred stock (in shares) at Apr. 30, 2025		0	0	0	0
Ending balance at Apr. 30, 2025	$ 26,438			$ 0	$ 0	$ 0	$ (150)	$ 25,187	$ 1,401
Ending balance, common stock (in shares) at Apr. 30, 2025	37,604,000					37,834,000
Ending balance, treasury stock (in shares) at Apr. 30, 2025	(230,000)						(230,000)