Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Oct. 31, 2012	Jan. 31, 2012
Accounts receivable due from customers, reserves (in Dollars)	$ 1	$ 6	[1]
Accounts receivable due from suppliers, reserves (in Dollars)	24	81	[1]
Inventory, reserves (in Dollars)	$ 1,082	$ 1,791	[1]
Preferred stock, par value (in Dollars per share)	$ 0	$ 0	[1]
Preferred stock, shares authorized (in Shares)	10,000,000	10,000,000	[1]
Preferred stock, shares issued (in Shares)	0	0	[1]
Preferred stock, shares outstanding (in Shares)	0	0	[1]
Common stock, par value (in Dollars per share)	$ 0.10	$ 0.10	[1]
Common stock, shares authorized (in Shares)	50,625,000	50,625,000	[1]
Common stock, shares issued (in Shares)	7,614,954	7,388,194	[1]
Common stock, shares outstanding (in Shares)	7,614,954	7,388,194	[1]

[1] Derived from the audited consolidated financial statements as of January 31, 2012.