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Note 13 - Concentrations (Details Textual) | 12 Months Ended
--- | ---
Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($)
Cash, FDIC Insured Amount | $ 121,000 |
Three Suppliers [Member] |  |
Purchases from Suppliers | 1,665,000 | $ 793,000
Three Customers [Member] |  |
Revenues | $ 524,000 | $ 285,000
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] |  |
Number of Major Customers | 3 | 3
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Three Customers [Member] |  |
Concentration Risk, Percentage | 58.00% | 51.00%
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] |  |
Number of Major Suppliers | 3 | 3
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Three Suppliers [Member] |  |
Concentration Risk, Percentage | 57.00% | 66.00%

X
- Definition Represents the number of major customers accounting for 10% or more of the specified concentration risk benchmark, which includes, but not limited to, sales revenue, accounts receivable, etc. + References No definition available. + Details
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Balance Type: | na
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X
- Definition Represents the number of major suppliers to the company. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount of purchases from suppliers. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

X
- Definition The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. + References No definition available. + Details
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X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611 + Details
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X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Details
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- Details
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