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Note 13 - Commitments and Contingencies (Details Textual) |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 26, 2016 USD ($) | Feb. 25, 2014 USD ($) | Sep. 30, 2016 USD ($) | May 31, 2016 USD ($) | Jun. 30, 2016 USD ($) ft² | Jun. 30, 2015 USD ($)
Subsequent Event [Member] |  |  |  |  |  |
Loss Contingency Accrual, Payments |  |  | $ 10,000 |  |  |
Litigation Settlement, Amount | $ 10,000 |  |  |  |  |
Loss Contingency Accrual |  |  |  |  | $ 10,000 |
Area of Leased Building | ft² |  |  |  |  | 22,054 |
Payments For Rent Per Month |  | $ 12,000 |  | $ 14,300 |  |
Security Deposit |  | $ 25,000 |  |  |  |
Operating Leases Rent Expense Percentage of Sublease Rentals |  |  |  |  | 10.00% |
Operating Leases, Rent Expense |  |  |  |  | $ 137,000 | $ 102,000
Operating Leases, Future Minimum Payments Due, Next Twelve Months |  |  |  |  | 158,000 |
Operating Leases, Future Minimum Payments, Due in Two Years |  |  |  |  | $ 162,000 |

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- 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 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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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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