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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% |