CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (UNAUDITED) - USD ($)	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Accumulated other comprehensive loss
Balance, shares at Jan. 31, 2020		8,481,665	(509,242)
Balance, amount at Jan. 31, 2020	$ 85,052,000	$ 85,000	$ (5,023,000)	$ 75,171,000	$ 17,581,000	$ (2,762,000)
Net income	8,634,000	0	0	0	8,634,000
Other comprehensive loss	(289,000)	$ 0	0		0	(289,000)
Restricted stock plan, shares		3,852
Restricted stock plan, amount	143,000	$ 0	$ 0	143,000	0	0
Balance, shares at Apr. 30, 2020		8,485,517	(509,242)
Balance, amount at Apr. 30, 2020	93,540,000	$ 85,000	$ (5,023,000)	75,314,000	26,215,000	(3,051,000)
Balance, shares at Jan. 31, 2021		8,498,457	(509,242)
Balance, amount at Jan. 31, 2021	122,918,000	$ 85,000	$ (5,023,000)	76,781,000	52,687,000	(1,612,000)
Net income	4,641,000	0	0	0	4,641,000	0
Restricted stock plan, amount	336,000	$ 0	0	336,000	0	0
Restricted stock issued, shares		43,778
Restricted stock issued, amount	1,000	$ 1,000	0	0	0	0
Other comprehensive income	(55,000)	0		0	0	(55,000)
Return of shares in lieu of payroll withholding	(461,000)	$ 0	$ 0	(461,000)	0	0
Balance, shares at Apr. 30, 2021		8,542,235	(509,242)
Balance, amount at Apr. 30, 2021	$ 127,380,000	$ 86,000	$ (5,023,000)	$ 76,656,000	$ 57,328,000	$ (1,667,000)