|
Note 7 - Pledged Assets, Notes Payable and Long-Term Debt (Details) - Principal to be Paid on the Long-Term Debt (USD $)
In Thousands, unless otherwise specified |
Jan. 31, 2014
|
Apr. 30, 2013
|
|---|---|---|
| Principal to be Paid on the Long-Term Debt [Abstract] | ||
| 2014 (remaining) | $ 47 | |
| 2015 | 189 | |
| 2016 | 192 | |
| 2017 | 196 | |
| 2018 | 200 | |
| Thereafter | 1,842 | |
| $ 2,666 | $ 2,804 |