For the three months ended June 30, 2019, other income and expenses consisted of: (1) change in fair value of derivative liabilities; (2) change in fair value of warrants; (3) changes in fair value of put rights; (4) change in fair value of contingent consideration and (5) interest and debt amortization. For the six months ended June 30, 2019, other income and expenses included all of the items detailed above and a loss on extinguishment of debt.