Revenues

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Revenues

Revenues

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, 2021						March 31, 2020
	Orthopedic Surgery		General Surgery		Total		Orthopedic Surgery		General Surgery		Total
Primary Geographic Markets
United States	$	37,131	$	86,812	$	123,943	$	37,039	$	81,808	$	118,847
Europe, Middle East & Africa	26,052		18,544		44,596		25,907		16,615		42,522
Asia Pacific	26,602		12,662		39,264		20,535		8,325		28,860
Americas (excluding the United States)	17,381		7,493		24,874		15,802		7,979		23,781
Total sales from contracts with customers	$	107,166	$	125,511	$	232,677	$	99,283	$	114,727	$	214,010
Timing of Revenue Recognition
Goods transferred at a point in time	$	97,690	$	124,394	$	222,084	$	90,553	$	113,901	$	204,454
Services transferred over time	9,476		1,117		10,593		8,730		826		9,556
Total sales from contracts with customers	$	107,166	$	125,511	$	232,677	$	99,283	$	114,727	$	214,010

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

	March 31, 2021		December 31, 2020
Contract liability	$	15,231	$	13,666

Revenue recognized during the three months ended March 31, 2021 and March 31, 2020 from amounts included in contract liabilities at the beginning of the period were $3.4 million and $3.0 million, respectively. There were no material contract assets as of March 31, 2021 and December 31, 2020.