The Company’s clinical services customers consist primarily of physicians, hospitals and clinics. Its revenue channels include Medicare, Medicare Advantage, Medicaid, Client Billings (hospitals, etc.), and commercial payers. The following sets forth the net revenue generated by revenue channel accounted for more than 10% of the Company’s revenue from continuing operations during the years ended December 31, 2021 and 2020, respectively. For the years ended December 31, 2021 and December 31, 2020, revenue from Medicare was approximately 54% and 50% of total revenue, respectively.

Schedule of Revenue by Major Customers