Revenue Recognition (Tables)
|12 Months Ended|
Dec. 31, 2018
|Revenue from Contract with Customer [Abstract]|
|Schedule of Disaggregation of Revenue||The composition of Revenue from services by payor for the years ended December 31, 2018, 2017 and 2016 is as follows:
|Schedule Of Product Sales Allowances And Accruals||The following table presents an analysis of product sales allowances and accruals as contract liabilities for the year ended December 31, 2018:
Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef