Accounting Policies Capitalized Software Development Amortization Expense (Tables)  | 
12 Months Ended | ||||||||||||||||||||||||||||||||
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Dec. 31, 2018  | |||||||||||||||||||||||||||||||||
| Software and Software Development Costs [Member] | |||||||||||||||||||||||||||||||||
| Software Development, Schedule of Expected Amortization Expense [Table Text Block] | 
 
As of December 31, 2018 the estimated amortization expense for the next five years of capitalized software development costs is as follows:
 
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Details 
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