Acquisition of SafeOp Surgical, Inc. - Schedule of Total Purchase Price (Details) - SafeOp Surgical, Inc. - USD ($) $ in Thousands		12 Months Ended
	Mar. 09, 2018	Dec. 31, 2018
Business Acquisition [Line Items]
Cash paid	$ 15,100	$ 15,103
Common stock issued		10,879
Note		3,000
Warrants		1,650
Contingent consideration issued or issuable		3,200
Total		$ 33,832