Note 7 - Goodwill and Intangibles (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2018	Jun. 30, 2018
Goodwill, Ending Balance	$ 4,668	$ 4,668
Goodwill, Impairment Loss	$ 0
Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Trademarks and Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	20 years
Bytewise [Member]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	81.00%

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

+ Details

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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-Section 45
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-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266

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- Definition

Percentage of fair value of reporting unit in excess of carrying amount.

+ References

No definition available.

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