v2.4.0.6
Note 3 - Customer and Supplier Concentrations (Detail) - Suppliers Comprising 10 Percent or More of the Company’s Gross Accounts Receivable (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2013
Jan. 31, 2012
Total gross accounts receivable due from suppliers (in Dollars) $ 1,156 $ 754
Total gross accounts receivable due from suppliers 100.00% 100.00%
Balance (in Dollars) 1,130 694
Percentage 98.00% 92.00%
EDAC Electronics Company Ltd [Member]
   
Balance (in Dollars)   532
Percentage   71.00%
Flextronics Electronics [Member]
   
Balance (in Dollars) 1,008 40
Percentage 87.00% 5.00%
Zheng Ge Electrical Company Ltd [Member]
   
Balance (in Dollars) $ 122 $ 122
Percentage 11.00% 16.00%