Revenue (Tables)

9 Months Ended

Sep. 30, 2018

Geographic Areas, Revenues from External Customers [Abstract]

Schedule of Revenue by Geographic Region

The table below includes a reconciliation of disaggregated revenue with the Company’s reportable segment:

	Three Months Ended September 30,						Three Months Ended September 30,						Nine Months Ended September 30,						Nine Months Ended September 30,
	2018						2017						2018						2017
	Implant-based		Shipment-based		Total		Implant-based		Shipment-based		Total		Implant-based		Shipment-based		Total		Implant-based		Shipment-based		Total
United States	$	25,194	$	505	$	25,699	$	29,949	$	928	$	30,877	$	82,480	$	2,580	$	85,060	$	91,934	$	1,738	$	93,672
International	4,876		4,181		9,057		6,092		9,017		15,109		16,268		20,452		36,720		16,804		26,678		43,482
Total Revenue	$	30,070	$	4,686	$	34,756	$	36,041	$	9,945	$	45,986	$	98,748	$	23,032	$	121,780	$	108,738	$	28,416	$	137,154

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