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Shareholders' Equity - Additional information (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Equity [Abstract]
Company shares given to employees, shares	26,179	26,731
Company shares given to employees, value	$ 0.5	$ 0.4

X

- Definition

Number of shares of stock delivered by employees to satisfy the exercise price for stock options exercised and restricted stock vested.

+ References

No definition available.

+ Details

Name:	alot_StockDeliveredDuringPeriodSharesStockOptionsExercise
Namespace Prefix:	alot_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Dollar value of stock delivered by employees to satisfy the exercise price for stock options exercised and restricted stock vested.

+ References

No definition available.

+ Details

Name:	alot_StockDeliveredDuringPeriodSharesStockOptionsExerciseAmount
Namespace Prefix:	alot_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration