Text Block Comparison: Summary of Income Tax Holiday [Table Text Block] (us-gaap:SummaryOfIncomeTaxHolidayTextBlock)

Documentation: Tabular disclosure of the income tax exemptions and reductions which have been granted by taxing authorities for a specified period, applicable term of the exemptions and reductions, estimated dollar value of tax benefits, and per share benefits.

(For last 10-K submitted to SEC as of March 31, 2018)