Revenue Disaggregation (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Reconciliation of disaggregated revenue with reportable segment

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

	Year Ended December 31,
	2019						2018						2017
	Implant-based		Shipment-based		Total		Implant-based		Shipment-based		Total		Implant-based		Shipment-based		Total
United States	$	92,071	$	3,245	$	95,316	$	106,014	$	3,079	$	109,093	$	120,572	$	2,637	$	123,209
International	13,745		34,309		48,054		21,097		26,283		47,380		23,246		34,702		57,948
Total Revenue	$	105,816	$	37,554	$	143,370	$	127,111	$	29,362	$	156,473	$	143,818	$	37,339	$	181,157