Accrued Expenses - Summary of Accrued Expenses (Detail) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Jan. 31, 2014
Payables and Accruals [Abstract]
Warranty	$ 375	$ 355
Product Replacement Cost Reserve	353alot_ProductReplacementCostReserve	480alot_ProductReplacementCostReserve
Professional Fees	256us-gaap_AccruedProfessionalFeesCurrent	269us-gaap_AccruedProfessionalFeesCurrent
Executive Retirement Package	250	250
Dealer Commissions	163us-gaap_AccruedSalesCommissionCurrent	55us-gaap_AccruedSalesCommissionCurrent
Other	946us-gaap_OtherAccruedLiabilitiesCurrent	901us-gaap_OtherAccruedLiabilitiesCurrent
Total	$ 2,343us-gaap_AccruedLiabilitiesCurrent	$ 2,310us-gaap_AccruedLiabilitiesCurrent

Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for sales commissions. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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