Accrued Liabilities, Other Current Liabilities and Other Liabilities (Tables)

12 Months Ended

Jul. 31, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

At July 31 accrued liabilities consist of:

	2014		2013
Legal	$	4,721	$	3,104
Payroll, benefits, severance and commissions		4,959		4,794
Research and development		400		721
Professional fees		638		863
Other		2,199		2,294
	$	12,917	$	11,776

Schedule of Other Current Liabilities [Table Text Block]

At July 31 other current liabilities consist of:

	2014		2013
Accrued legal settlement – see Note 14	$	400	$	—
Installment loans - see Note 9		241		182
Capital lease obligations - see Note 9		149	$	149
	$	790	$	331