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Stock-Based Compensation (Details) - USD ($)
3 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Stock-based compensation $ 98,459 $ 93,910
Selling, General & Administrative    
Stock-based compensation 98,459 92,730
Cost of Sales    
Stock-based compensation 0 1,518
New Product Development    
Stock-based compensation 0 (338)
Stock Options    
Stock-based compensation 3,495 8,910
Restricted Stock Units    
Stock-based compensation $ 94,964 $ 85,000