Condensed Consolidated Statements of Changes in Stockholders’ Equity (Unaudited) - USD ($)	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	Accumulated Deficit Series B Preferred Stock
Beginning balance, preferred stock (in shares) at Jan. 31, 2023				0	55,000
Beginning balance at Jan. 31, 2023	$ 12,515,000			$ 0	$ 0	$ 0	$ (150,000)	$ 22,724,000	$ (10,059,000)
Beginning balance, common stock (in shares) at Jan. 31, 2023						36,318,000
Beginning balance, treasury stock (in shares) at Jan. 31, 2023							(230,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation (in shares)						19,000
Stock based compensation	270,000							270,000
Stock issued for the exercise of options and warrants (in shares)						212,000
Stock issued for the exercise of options and warrants	65,000							65,000
Issuance of shares for director settlement	0
Conversion of series B preferred stock to common stock (in shares)					(55,000)	819,000
Series B Preferred dividend			$ (49,000)							$ (49,000)
Net income	5,153,000								5,153,000
Ending balance, preferred stock (in shares) at Oct. 31, 2023				0	0
Ending balance at Oct. 31, 2023	17,954,000			$ 0	$ 0	$ 0	$ (150,000)	23,059,000	(4,955,000)
Ending balance, common stock (in shares) at Oct. 31, 2023						37,368,000
Ending balance, treasury stock (in shares) at Oct. 31, 2023							(230,000)
Beginning balance, preferred stock (in shares) at Jul. 31, 2023				0	0
Beginning balance at Jul. 31, 2023	15,798,000			$ 0	$ 0	$ 0	$ (150,000)	22,912,000	(6,964,000)
Beginning balance, common stock (in shares) at Jul. 31, 2023						37,343,000
Beginning balance, treasury stock (in shares) at Jul. 31, 2023							(230,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation	110,000							110,000
Stock issued for the exercise of options and warrants (in shares)						25,000
Stock issued for the exercise of options and warrants	37,000							37,000
Series B Preferred dividend			$ 0
Net income	2,009,000								2,009,000
Ending balance, preferred stock (in shares) at Oct. 31, 2023				0	0
Ending balance at Oct. 31, 2023	17,954,000			$ 0	$ 0	$ 0	$ (150,000)	23,059,000	(4,955,000)
Ending balance, common stock (in shares) at Oct. 31, 2023						37,368,000
Ending balance, treasury stock (in shares) at Oct. 31, 2023							(230,000)
Beginning balance, preferred stock (in shares) at Jan. 31, 2024		0	0	0	0
Beginning balance at Jan. 31, 2024	$ 19,581,000			$ 0	$ 0	$ 0	$ (150,000)	23,278,000	(3,547,000)
Beginning balance, common stock (in shares) at Jan. 31, 2024	37,258,239					37,488,000
Beginning balance, treasury stock (in shares) at Jan. 31, 2024	(230,000)						(230,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation (in shares)						222,000
Stock based compensation	$ 801,000							801,000
Stock issued for the exercise of options (in shares)	37,500					38,000
Stock issued for the exercise of options	$ 55,000							55,000
Issuance of shares for director settlement (in shares)						68,000
Issuance of shares for director settlement	450,000							450,000
Series B Preferred dividend			$ 0
Net income	2,111,000								2,111,000
Ending balance, preferred stock (in shares) at Oct. 31, 2024		0	0	0	0
Ending balance at Oct. 31, 2024	$ 22,998,000			$ 0	$ 0	$ 0	$ (150,000)	24,584,000	(1,436,000)
Ending balance, common stock (in shares) at Oct. 31, 2024	37,585,955					37,816,000
Ending balance, treasury stock (in shares) at Oct. 31, 2024	(230,000)						(230,000)
Beginning balance, preferred stock (in shares) at Jul. 31, 2024				0	0
Beginning balance at Jul. 31, 2024	$ 22,297,000			$ 0	$ 0	$ 0	$ (150,000)	24,293,000	(1,846,000)
Beginning balance, common stock (in shares) at Jul. 31, 2024						37,663,000
Beginning balance, treasury stock (in shares) at Jul. 31, 2024							(230,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation (in shares)						145,000
Stock based compensation	280,000							280,000
Stock issued for the exercise of options and warrants (in shares)						8,000
Stock issued for the exercise of options and warrants	11,000							11,000
Series B Preferred dividend			$ 0
Net income	410,000								410,000
Ending balance, preferred stock (in shares) at Oct. 31, 2024		0	0	0	0
Ending balance at Oct. 31, 2024	$ 22,998,000			$ 0	$ 0	$ 0	$ (150,000)	$ 24,584,000	$ (1,436,000)
Ending balance, common stock (in shares) at Oct. 31, 2024	37,585,955					37,816,000
Ending balance, treasury stock (in shares) at Oct. 31, 2024	(230,000)						(230,000)