Composition of Certain Financial Statement Items (Tables)

6 Months Ended

Jun. 30, 2017

Balance Sheet Related Disclosures [Abstract]

Schedule of Inventories

Inventories, net, consisted of the following (in thousands):

	June 30, 2017		December 31, 2016
Raw materials	$	11,305	$	11,070
Work in process	5,396		4,787
Finished goods	12,864		11,785
	$	29,565	$	27,642

Schedule of Property and Equipment

Property and equipment, net, consisted of the following (in thousands): 

	June 30, 2017			December 31, 2016
Equipment held for rental or loan	$	68,248		$	62,972
Manufacturing equipment and computers	42,798			40,656
Leasehold improvements	10,835			10,453
Furniture and fixtures	5,252			5,099
Building and improvements	1,306			1,306
Land	270			270
Less: accumulated depreciation	(82,441		)	(75,929		)
	$	46,268		$	44,827

Schedule of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands): 

	June 30, 2017			December 31, 2016
Accrued payroll and employee-related expenses	$	19,070		$	22,890
Accrued clinical study expense	2,546			2,723
Accrued interest	1,171			1,016
Deferred rent	1,426			1,443
Accrued royalties	1,539			1,313
Accrued legal costs	910			847
Accrued sales and income taxes	943			1,208
Contingent consideration	200			279
Other accrued expenses (1)	13,334			4,350
Total accrued liabilities	41,139			36,069
Less: long-term portion	(1,656		)	(1,688		)
Accrued liabilities, current portion	$	39,483		$	34,381

(1) Included in this balance is approximately $8.9 million of accrued external professional services expenses related to the pending Philips Transaction described in Note 1.