CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Jan. 31, 2015	Jan. 31, 2014
Allowance for doubtful accounts (in dollars)	$ 525,200	$ 588,800
Inventories, net of reserves	$ 2,273,000us-gaap_InventoryValuationReserves	$ 3,572,000us-gaap_InventoryValuationReserves
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,500,000us-gaap_PreferredStockSharesAuthorized	1,500,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000us-gaap_CommonStockSharesAuthorized	10,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	7,414,037us-gaap_CommonStockSharesIssued	5,713,180us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	7,057,596us-gaap_CommonStockSharesOutstanding	5,356,739us-gaap_CommonStockSharesOutstanding
Treasury stock, shares	356,441us-gaap_TreasuryStockShares	356,441us-gaap_TreasuryStockShares

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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