Allowance for Uncollectible Accounts (Tables)

6 Months Ended

Jun. 30, 2014

Allowance for Uncollectible Accounts [Abstract]

Allowance for Uncollectible Accounts

Balance at December 31, 2013	$	2,234
Provision (1)		5,196
Write-offs		(1,459)
Balance at June 30, 2014	$	5,971

(1) Reflects charges associated with the provision for uncertain collection of a portion of our existing trade receivables related to our Robotics segment.