Note 6 - Supplier Concentration Risk Accounts Payable (Details) - USD ($) |
3 Months Ended | 12 Months Ended |
|---|---|---|
Apr. 30, 2016 |
Jan. 31, 2016 |
|
| Supplier Concentration Risk [Member] | Accounts Payable [Member] | Pillsbury Winthrop Shaw Pittman L L P [Member] | ||
| Accounts payable | $ 62,000 | $ 432,000 |
| Concentration percentage, accounts receivables | 16.00% | 59.00% |
| Supplier Concentration Risk [Member] | Accounts Payable [Member] | ||
| Accounts payable | $ 62,000 | $ 432,000 |
| Concentration percentage, accounts receivables | 16.00% | 59.00% |
| Supplier Concentration Risk [Member] | ||
| Accounts payable | $ 379,000 | $ 737,000 |
| Concentration percentage, accounts receivables | 100.00% | 100.00% |
| Accounts payable | $ 379,000 | $ 883,000 |