|
Note 6 - Accrued Liabilities (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Jan. 31, 2014
|
Jan. 31, 2013
|
|
|
Zheng Ge Electrical Company Ltd [Member] | Uninvoiced Materials and Services (Member)
|
||
| Note 6 - Accrued Liabilities (Details) [Line Items] | ||
| Accounts Payable and Other Accrued Liabilities | $ 0.3 | $ 1.1 |
|
Zheng Ge Electrical Company Ltd [Member] | Total Uninvoiced Materials and Services (Member)
|
||
| Note 6 - Accrued Liabilities (Details) [Line Items] | ||
| Percent of Total Uninvoiced Materials and Services | 70.00% | 85.00% |
|
Total Uninvoiced Materials and Services (Member)
|
||
| Note 6 - Accrued Liabilities (Details) [Line Items] | ||
| Accounts Payable and Other Accrued Liabilities | $ 0.5 | $ 0.6 |