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Summary of Significant Accounting Policies (Details)			12 Months Ended
Summary of Significant Accounting Policies (Details)	Jun. 01, 2018 USD ($) ft²	Oct. 16, 2017	Jun. 30, 2018 USD ($) Element	Jun. 30, 2017 USD ($)
Property Plant And Equipment [Line Items]
Reverse stock split ratio		0.20
Undelivered elements \| Element			0
Revenue			$ 86,000	$ 2,328,000
Unrecognized contract revenues			0
Unrecognized contract costs			0
Allowance for doubtful accounts			$ 0	0
Estimated useful life			5 years
Original lease area of land removed \| ft²	8,118
Loss on impairment of long-lived assets			$ 1,693,000	$ 0
Astral Images, Inc
Property Plant And Equipment [Line Items]
Impairment charge of long-lived assets			$ 1,600,000
Purchased Software
Property Plant And Equipment [Line Items]
Estimated useful life			3 years
Leasehold Improvements and Other Assets
Property Plant And Equipment [Line Items]
Loss on impairment of long-lived assets	$ 114,000
Mass Spectrometers
Property Plant And Equipment [Line Items]
Revenue			$ 0