Property and Equipment (Detail) (USD $)	Jan. 31, 2013	Jan. 31, 2012
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	$ 304,371	$ 258,572
Less accumulated depreciation and amortization	(236,229)	(215,311)
Property and equipment, net	68,142	43,261
Website
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	4,568	4,568
Computers
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	19,639	13,912
Software
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	171,626	155,039
Machinery and equipment
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	73,940	71,553
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	21,235	5,302
Leasehold improvements
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	$ 13,362	$ 8,198

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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