Supplemental Disclosure of Non-cash Activities:

3 Months Ended

Jun. 30, 2012

Supplemental Disclosure of Non-cash Activities: [Abstract]

Supplemental Disclosure of Non-cash Activities:

Supplemental disclosure of non-cash activities:

	Six months ended June 30, 2012	Six months ended June 30, 2011
Supplemental disclosure of non-cash activities:
Exchanged accounts receivable from a vendor with accounts payable to the same vendor	$                 -	$            182
The Company acquired the business of VCON Video Conferencing, Ltd. in February 2012 and recorded the following assets and liabilities:
Inventory	$           320	$                  -
Property and equipment	34	-
Product warranty liability	(8)	-
Tradename	500	-
Patents and technological know-how	2,300	-
Proprietary software	500	-
In-process research and development	200	-
Goodwill	786	-
Cash paid	$        4,632	$                  -