Fair Value (Tables)

9 Months Ended

Sep. 30, 2012

Roll Forward of Level 3 Liabilities

A roll forward of Level 3 liabilities is as follows:

	Three Months Ended					Nine Months Ended
September 30,	2012			2011		2012			2011
Balance, beginning of period	$	970		$	1,900	$	1,960		$	—
Fair value of ValCom contingent liability on date of acquisition		—			—		—			2,880
Payments		—			—		(1,000	)		(1,000	)
Change in fair value (included within selling, general and administrative expenses)		(54	)		—		(44	)		20
Balance, end of period	$	916		$	1,900	$	916		$	1,900

Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis consisted of the following types of instruments at September 30, 2012 and December 31, 2011:

	Fair Value Measurements at Reporting Date Using
	Quoted Prices in Active Markets for Identical Instruments Inputs (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Balance
Assets
Cash Equivalents:
Money market fund deposits at September 30, 2012	$	38	$	—	$	—	$	38
Money market fund deposits at December 31, 2011		38		—		—		38
Liabilities
Accrued expenses and other liabilities:
Contingent liability at September 30, 2012		—		—		916		916
Contingent liability at December 31, 2011		—		—		1,960		1,960