Revenue Recognition (Tables)
|12 Months Ended|
Dec. 31, 2018
|Revenue from Contract with Customer [Abstract]|
|Disaggregation of Revenue [Table Text Block]||
The following tables present the Company's revenue for the year ended December 31, 2018 into categories that depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors.
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