Summary of Significant Accounting Policies (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2018 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Summary of Significant Accounting Policies | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of property and equipment |
Property and equipment consists of the following (amounts in millions):
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Schedule of disaggregation of revenue |
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Schedule of contract balances |
The following table provides information about the opening and closing balances of accounts receivables and contract assets from contracts with customers (in millions):
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Schedule of stock-based compensation expense |
Included in the accompanying consolidated statements of operations are the following amounts of stock-based compensation for the years ended December 31, 2018, 2017 and 2016 (amounts in millions):
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Reconciliation of Basic and Diluted Weighted Average Shares |
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