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Revenue (Details - Changes in Deferred Revenue)
$ in Thousands
12 Months Ended
Jun. 30, 2021
USD ($)
Revenue from Contract with Customer [Abstract]  
Deferred revenue, beginning balance $ 824
New performance obligations 778
Recognition of revenue as a result of satisying performance obligations (511)
Deferred revenue, ending balance 1,091
Less: non-current portion of deferred revenue (241)
Current portion ending balance $ 850