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Related Party Transactions (Details Narrative) - USD ($)
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Jul. 30, 2020
Related Party Transaction [Line Items]      
Due to related parties $ 500,000 $ 300,000  
Inventory 7,601,277 6,024,311  
Subsequent Event [Member] | Purchase and Sale Agreement [Member]      
Related Party Transaction [Line Items]      
Inventory     $ 700,000
Warehouse Facility [Member]      
Related Party Transaction [Line Items]      
Revenue from related parties $ 300,000 $ 400,000  
Related party gross margin percentage 26.60% 22.50%  
Starlight Electronics Co., Ltd [Member]      
Related Party Transaction [Line Items]      
Payments to related party $ 400,000 $ 400,000  
Winglight Pacific Ltd [Member]      
Related Party Transaction [Line Items]      
Revenue from related parties $ 900,000 $ 1,200,000  
Related party gross margin percentage 23.70% 30.10%