Other Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2011

Other Accrued Liabilities [Abstract]

Other Accrued Liabilities

	September 30, 2011		December 31, 2010
Deferred revenue	$	6,533	$	8,617
Accrued health insurance		5,594		4,970
Deferred rent		3,918		3,456
Accrued consulting fees		2,760		2,760
Holdbacks and earnouts		2,536		2,447
Customer deposits		2,517		2,966
Accrued lab service rebates		212		2,535
Other		21,109		18,018
	$	45,179	$	45,769