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Commitments and Contingencies (Narrative) (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018
Commitments and Contingencies Disclosure [Abstract] |  |
Rental expense | $ 1,500,000 | $ 704,000
Outstanding performance and payment bonds | $ 8,000,000 | 8,300,000
Estimated costs to complete projects secured by performance and payment bonds |  | $ 4,400,000

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- Definition Estimated costs to complete projects secured by performance and payment bonds. + References No definition available. + Details
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- Definition Outstanding performance and payment bonds. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
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