|
Note 7 - Accrued Liabilities - Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified |
Oct. 31, 2014
|
Jan. 31, 2014
|
|---|---|---|
| Accrued Liabilities | $ 763 | $ 1,012 |
| Accrued Legal and Professional Fees [Member] | ||
| Accrued Liabilities | 78 | 161 |
| Accrued Other Liabilities [Member] | ||
| Accrued Liabilities | 303 | 315 |
| Accrued Payroll and Related Expenses [Member] | ||
| Accrued Liabilities | 31 | 58 |
| Accrued Warranty [Member] | ||
| Accrued Liabilities | 20 | 20 |
| Uninvoiced Materials and Services Received [Member] | ||
| Accrued Liabilities | $ 331 | $ 458 |