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Revenue Recognition (Details) - USD ($)
3 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Total net revenue $ 1,431,809 $ 1,076,368
U.S [Member]    
Total net revenue 1,273,000 931,000
Rest-of-the-World [Member]    
Total net revenue $ 159,000 $ 145,000