Goodwill (Tables)

12 Months Ended

Jul. 31, 2017

Goodwill [Abstract]

Schedule of change in carrying amount of goodwill by operating segment

(in thousands)	Telecom  Platform  Services		All Other  (Zedge)			Total
Balance as of July 31, 2015	$	11,181	$	3,207		$	14,388
Foreign currency translation adjustments		37		(823	)		(786	)
Zedge Spin-Off		—		(2,384	)		(2,384	)
Balance as of July 31, 2016		11,218		—			11,218
Foreign currency translation adjustments		108		—			108
Balance as of July 31, 2017	$	11,326	$	—		$	11,326