Product Warranties (Tables)

6 Months Ended

12 Months Ended

Jan. 31, 2014

Jul. 31, 2013

Product warranty liability

The following table summarizes the activity related to the product warranty liability during the six months ended January 31, 2014 and 2013 (in thousands):

	2014		2013
Beginning balance	$	156	$	166
Warranty cost incurred		(57)		(54)
Accrued warranty cost		40		47
Ending balance	$	139	$	159

Cortelco Systems Holding Corp [Member]

Product warranty liability

The following table summarizes the activity related to the product warranty liability during the six months ended January 31, 2014 and 2013 (in thousands):

	2014		2013
Beginning balance	$	145	$	166
Warranty cost incurred		(46)		(54)
Accrued warranty cost		40		47
Ending balance	$	139	$	159

The following table summarizes the activity related to the product warranty liability during fiscal years 2013 and 2012 (in thousands):

	2013		2012
Balance at beginning of period	$	139	$	164
Accruals for warranty liability		97		83
Warranty charges		(101)		(108)
Balance at end of period	$	135	$	139