UNEARNED REVENUE (Tables) |
3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2018 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Revenue from Contract with Customer [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Changes in unearned revenue |
Changes in unearned revenue were as follows:
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X | ||||||||||
- Definition Tabular disclosure of contract balances and changes in contract balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- References No definition available.
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