Acquisitions (Tables)

3 Months Ended

Mar. 31, 2019

Business Combinations [Abstract]

Schedule of Business Acquisitions, by Acquisition

Purchase Price Allocation of Acquired Net Assets
	2018
	K2M			Entellus
Tangible assets:
Accounts receivable	$	67		$	17
Inventory	136			14
Other assets	118			62
Contingent consideration	—			(79		)
Other liabilities	(247		)	(76		)
Intangible assets:
Customer relationship	34			33
Distributor relationship	1			—
Trade name	10			—
Developed technology and patents	473			261
Internally developed software	2			—
Goodwill	786			465
Purchase price, net of cash acquired	$	1,380		$	697
Weighted-average life of intangible assets	14			16

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated Amortization Expense
Remainder of 2019		2020		2021		2022		2023
$	333	$	422	$	409	$	401	$	381