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Orthotec Settlement - Schedule of Reconciliation of Total Net Settlement Obligation (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Commitments And Contingencies Disclosure [Abstract]    
Litigation settlement obligation - short-term portion $ 4,400 $ 4,400
Litigation settlement obligation - long-term portion 10,712 13,954
Total 15,112 18,354
Future Interest 2,121 3,279
Total settlement obligation, gross 17,233 21,633
Related party receivable - included in stockholders' equity (5,000) (5,000)
Total settlement obligation, net $ 12,233 $ 16,633