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Summary of Significant Accounting Policies, Plant and Equipment (Details)
12 Months Ended
Mar. 31, 2018
Machinery and Equipment [Member] | Minimum [Member]  
Plant and Equipment [Line Items]  
Estimated service life 5 years
Machinery and Equipment [Member] | Maximum [Member]  
Plant and Equipment [Line Items]  
Estimated service life 10 years
Office Equipment and Fixtures [Member] | Minimum [Member]  
Plant and Equipment [Line Items]  
Estimated service life 3 years
Office Equipment and Fixtures [Member] | Maximum [Member]  
Plant and Equipment [Line Items]  
Estimated service life 10 years