Revenues

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

The following tables present revenue disaggregated by primary geographic market where the products are sold, by product line and timing of revenue recognition:



	Three Months Ended						Three Months Ended
	March 31, 2020						March 31, 2019
	Orthopedic Surgery		General Surgery		Total		Orthopedic Surgery		General Surgery		Total
Primary Geographic Markets
United States	$	37,039	$	81,808	$	118,847	$	45,256	$	71,770	$	117,026
Americas (excluding the United States)	15,802		7,979		23,781		15,042		7,462		22,504
Europe, Middle East & Africa	25,907		16,615		42,522		30,402		15,930		46,332
Asia Pacific	20,535		8,325		28,860		22,737		9,779		32,516
Total sales from contracts with customers	$	99,283	$	114,727	$	214,010	$	113,437	$	104,941	$	218,378

Timing of Revenue Recognition
Goods transferred at a point in time	$	90,553	$	113,901	$	204,454	$	104,739	$	104,425	$	209,164
Services transferred over time	8,730		826		9,556		8,698		516		9,214
Total sales from contracts with customers	$	99,283	$	114,727	$	214,010	$	113,437	$	104,941	$	218,378

Contract liability balances related to the sale of extended warranties to customers are as follows:



	March 31, 2020		December 31, 2019

Contract liability	$	14,550	$	14,276

Revenue recognized during the three months ended March 31, 2020 and March 31, 2019 from amounts included in contract liabilities at the beginning of the period were $3.0 million and $2.3 million, respectively. There were no material contract assets as of March 31, 2020 and December 31, 2019.