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Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Income Statement [Abstract]        
Revenues
Cost of goods sold
Gross profit
Operating expenses:        
Selling 33,284 34,388 142,605 183,240
General and administrative 428,227 510,983 1,373,837 1,013,136
Research and development 109,146 29,218 229,511 133,103
Total operating expenses 570,657 574,589 1,745,953 1,329,479
Loss from operations (570,657) (574,589) (1,745,953) (1,329,479)
Non-operating income        
Other (expense) income, net 2,784 894 (3,632) (2,571)
Interest income 10,134 32,696 43,828 47,114
Total non-operating income, net 12,918 33,590 40,196 44,543
Loss before income tax (557,739) (540,999) (1,705,757) (1,284,936)
Income tax
Net loss (557,739) (540,999) (1,705,757) (1,284,936)
Other comprehensive item        
Foreign currency translation gain (loss) 719 198,209 (10,906) 222,332
Total comprehensive loss $ (557,020) $ (342,790) $ (1,716,663) $ (1,062,604)
Net loss per share        
Basic and diluted $ (0.03) $ (0.03) $ (0.08) $ (0.06)
Weighted average shares outstanding        
Basic and diluted 20,943,846 20,943,846 20,943,846 19,845,627