XML 21 R29.htm IDEA: XBRL DOCUMENT v2.4.0.6
Goodwill and Intangibles - Goodwill (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Sep. 30, 2012
VCON Video Conferencing, Ltd. (VCON) [Member]
Feb. 16, 2012
VCON Video Conferencing, Ltd. (VCON) [Member]
Goodwill [Line Items]        
Goodwill $ 1,939 $ 1,153   $ 786
Goodwill - Expected Tax Deductible Amount     $ 786