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Organization and Summary of Significant Accounting Policies - Investment in a Corporate Venture (Details) - USD ($)
 3 Months Ended 6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Mar. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Jun. 30, 2019
Schedule of Equity Method Investments [Line Items]            
Investment in equity investee $ 1,060,000     $ 1,060,000   $ 1,701,000
Share of loss from equity investee, net of taxes (1,020,000) $ (1,794,000)   (9,000) $ (3,213,000)  
Other long-term liabilities 33,193,000     33,193,000   26,183,000
Equity method investment, other than temporary impairment 0 0   0 0  
Corporate Venture            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage     30.00%      
Investment in equity investee 1,100,000     1,100,000   1,700,000
Other long-term liabilities     $ 10,000,000.0      
Amortization period of deferred gain     5 years      
Equity method investment, summarized financial information, cost of sales 15,400,000 $ 12,100,000   37,500,000 $ 21,500,000  
Equity method investment, summarized financial information, current assets 15,200,000     15,200,000   13,100,000
Investor in China | Corporate Venture            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage     70.00%      
Accrued Liabilities | Corporate Venture            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, unamortized deferred gain from sale 2,000,000.0     2,000,000.0   2,000,000.0
Long-Term Liabilities | Corporate Venture            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, unamortized deferred gain from sale $ 2,000,000.0     $ 2,000,000.0   $ 3,000,000.0