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Summary of Significant Accounting Policies (Details Textual) - USD ($)
12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2016
Aug. 10, 2015
Jun. 26, 2015
Summary of Significant Accounting Policies (Textual)          
Allowance for doubtful accounts $ 0 $ 0      
Advertising expenses $ 19,769 $ 8,808    
Sweet Lollipop [Member]          
Summary of Significant Accounting Policies (Textual)          
Ownership percentage         100.00%
Long Yun HK [Member]          
Summary of Significant Accounting Policies (Textual)          
Ownership percentage       100.00%  
Minimum [Member]          
Summary of Significant Accounting Policies (Textual)          
Cost method investments, ownership percentage 0.00%        
Equity method investment, ownership percentage 20.00%        
Maximum [Member]          
Summary of Significant Accounting Policies (Textual)          
Cost method investments, ownership percentage 20.00%        
Equity method investment, ownership percentage 50.00%