Revenue from the Company’s Remote Power Patent constituted 100% and 71% of the Company’s revenue for the year ended December 31, 2019 and December 31, 2018, respectively. Revenue from two licensees constituted approximately 69% of the Company’s revenue for the year ended December 31, 2019. Revenue from two licensees constituted approximately 66% of the Company’s revenue for the year ended December 31, 2018. Revenue from the sale of the Company’s unsecured claim against Avaya, Inc. constituted approximately 29% of the Company’s revenue for the year ended December 31, 2018. At December 31, 2019 royalty receivables from four licensees constituted approximately 90% of the Company’s royalty receivables. At December 31, 2018, royalty receivables from four licensees constituted approximately 80% of the Company’s royalty receivables.