XML 46 R27.htm IDEA: XBRL DOCUMENT v3.2.0.727
Share-Based Payments (Details 2) - Jul. 31, 2015 - USD ($)
Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares, Outstanding, Beginning Balance 2,004,002
Shares, Granted 73,333
Shares, Exercised 0
Shares, Forfeited (31,161)
Shares, Expired (31,667)
Shares, Outstanding, Ending Balance 2,014,507
Shares, Vested and expected to vest 2,014,507
Shares, Exercisable 1,556,788
Weighted Average Exercise Price, Outstanding, Beginning Balance $ 5.74
Weighted Average Exercise Price, Granted 6.82
Weighted Average Exercise Price, Exercised 0
Weighted Average Exercise Price, Forfeited 5.73
Weighted Average Exercise Price, Expired 9.24
Weighted Average Exercise Price, Outstanding, Ending Balance 5.72
Weighted Average Exercise Price, Vested and expected to vest 5.72
Weighted Average Exercise Price, Exercisable $ 5.90
Weighted Average Remaining Contractual Term, Outstanding, Beginning Balance (in years) 6 years 8 months 12 days
Weighted Average Remaining Contractual Life (Years), Granted 9 years 8 months 12 days
Weighted Average Remaining Contractual Term, Outstanding, Ending Balance (in years) 6 years 7 months 6 days
Weighted Average Remaining Contractual Life (Years), Vested and expected to vest 6 years 7 months 6 days
Weighted Average Remaining Contractual Life (Years), Exercisable 6 years
Aggregate Intrinsic Value, Outstanding, Beginning Balance $ 4,166,000
Aggregate Intrinsic Value, Outstanding, Ending Balance 1,457,000
Aggregate Intrinsic Value, Vested and expected to vest 1,457,000
Aggregate Intrinsic Value, Exercisable $ 1,093,000
Non-Employees [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares, Outstanding, Beginning Balance 57,917
Shares, Granted 0
Shares, Exercised 0
Shares, Forfeited 0
Shares, Expired (6,667)
Shares, Outstanding, Ending Balance 51,250
Shares, Vested and expected to vest 51,250
Shares, Exercisable 34,271
Directors and Employees [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares, Outstanding, Beginning Balance 1,946,085
Shares, Granted 73,333
Shares, Exercised 0
Shares, Forfeited (31,161)
Shares, Expired (25,000)
Shares, Outstanding, Ending Balance 1,963,257
Shares, Vested and expected to vest 1,963,257
Shares, Exercisable 1,522,517