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Note 14 - Commitments and Contingencies (Details Textual) |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 25, 2014 USD ($) | Sep. 30, 2016 USD ($) | May 31, 2016 USD ($) | Jun. 30, 2017 USD ($) ft² | Jun. 30, 2016 USD ($) | Aug. 26, 2016 USD ($)
Loss Contingency Accrual |  |  |  |  |  | $ 10,000
Litigation Settlement, Amount Awarded to Other Party |  | $ 10,000 |  |  |  |
Area of Leased Building | ft² |  |  |  | 22,054 |  |
Lessee, Operating Lease, Term of Contract | 2 years |  |  |  |  |
Security Deposit | $ 25,000 |  |  |  |  |
Payments For Rent Per Month | $ 12,000 |  | $ 14,000 |  |  |
Operating Leases Rent Expense Percentage of Sublease Rentals |  |  |  | 10.00% |  |
Operating Leases, Rent Expense |  |  |  | $ 140,000 | $ 137,000 |

X
- Definition Area of the headquarters building taken under lease. + References No definition available. + Details
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X
- Definition Percentage of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. + References No definition available. + Details
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- Definition Cash payments to lessor for use of assets under operating leases per month. + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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- Definition The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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