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Revenue Recognition (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Total net revenue $ 3,175,000 $ 1,795,000 $ 4,615,000 $ 3,227,000
U.S.        
Total net revenue 3,047,000 1,730,000 4,309,000 3,001,000
International        
Total net revenue $ 128,000 $ 65,000 $ 306,000 $ 226,000