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Net loss per share (Details)
|
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Apr. 30, 2014
|
Apr. 30, 2013
|
Apr. 30, 2014
|
Apr. 30, 2013
|
|
|
Unvested Restricted Stock [Member]
|
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| Net loss per share (Details) [Line Items] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 34,000 | 17,000 | 36,000 | 0 |
|
In the Money Stock Options [Member]
|
||||
| Net loss per share (Details) [Line Items] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 273,000 | 0 | 273,000 | 0 |
|
Outstanding Options [Member]
|
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| Net loss per share (Details) [Line Items] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 170,000 | 726,000 | 744,000 | 731,000 |