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Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2014

Accrued Liabilities, Current [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	June 30, 2014				December 31, 2013
Rebates and lease buyouts	$	4,596			$	1,699
Advance payments from customers	3,656				4,971
Accrued Group Purchasing Organization (GPO) fees(1)	2,848				2,324
Technology license purchase obligation, current portion	500				1,500
Taxes payable	2,719				1,664
Other	1,851				1,588
Total	$	16,170			$	13,746

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Tabular disclosure of the components of accrued liabilities.

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