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Revenue Recognition (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Total net revenue $ 8,156,000 $ 2,372,000 $ 12,771,000 $ 5,599,000
U.S.        
Total net revenue 7,273,000 2,024,000 11,582,000 5,025,000
International        
Total net revenue $ 883,000 $ 348,000 $ 1,189,000 $ 574,000