|
Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
Jan. 31, 2014
|
Apr. 30, 2013
|
|---|---|---|
| Accounts receivable, allowances (in Dollars) | $ 78 | $ 35 |
| Preferred stock, par value (in Dollars per share) | $ 0.01 | $ 0.01 |
| Preferred stock, shares authorized | 5,000,000 | 5,000,000 |
| Preferred stock, shares issued | 0 | 0 |
| Preferred stock, shares outstanding | 0 | 0 |
| Common stock, par value (in Dollars per share) | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 10,000,000 | 10,000,000 |
| Common stock, shares issued | 3,817,068 | 3,897,832 |
| Common stock, shares outstanding | 3,817,068 | 3,897,832 |
| Treasury stock, shares | 158,181 | 59,414 |