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Stock-Based Compensation (Details) - USD ($)
3 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Stock-based compensation $ 93,910 $ 92,241
Selling, General & Administrative [Member]    
Stock-based compensation 92,730 90,274
Cost of Sales [Member]    
Stock-based compensation 1,518 1,603
New Product Development [Member]    
Stock-based compensation (338) 364
Stock Options [Member]    
Stock-based compensation 8,910 12,348
Restricted Stock Units [Member]    
Stock-based compensation $ 85,000 $ 79,893