XML 26 R28.htm IDEA: XBRL DOCUMENT

Net loss per share (Details)	3 Months Ended		6 Months Ended
Net loss per share (Details)	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014
Unvested Restricted Stock [Member]
Net loss per share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	0	18,000	22,000
In the Money Stock Options [Member]
Net loss per share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	411,000	0	438,000	0
Outstanding Options [Member]
Net loss per share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	52,000	1,341,000	97,000	1,032,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References+ Details