Summary of Significant Accounting Policies (Tables) |
3 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2018 |
Dec. 31, 2017 |
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| Accounting Policies [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Revenue Source and Geographical Location for Sales and Usage-Based Taxes |
The following table presents our revenues disaggregated by revenue source and geographical location. Sales and usage-based taxes are included as a component of revenues.
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| Schedule of Depreciation of Estimated Useful Lives |
Depreciation is calculated using the straight-line method over the estimated useful lives of the respective assets are as follows.
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- Definition Schedule Of Depreciation Of Estimated Useful Lives [Table Text Block]. No definition available.
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- Definition Schedule of Revenue Source and Geographical Location for Sales and Usage-Based Taxes [Table Text Block] No definition available.
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- References No definition available.
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