XML 29 R28.htm IDEA: XBRL DOCUMENT v3.19.2
Revenues from Contracts with Customers (Tables)
12 Months Ended
Jun. 30, 2019
Revenue from Contract with Customer [Abstract]  
Schedule product revenues by geographic location
    Year Ended June 30,  
    2019     2018  
U.S.     6,462,000       3,213,000  
International     858,000       447,000  
Total net revenue     7,320,000       3,660,000