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Note 6 - Line of Credit and Short Term Loan (Details Textual) - USD ($) | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 01, 2016 | May 31, 2016 | Oct. 02, 2014 | Jun. 26, 2013 | Dec. 31, 2012
Line of Credit [Member] | Non-Related Lender [Member] |  |  |  |  |  |  |
Long-term Line of Credit | $ 215,000 | $ 215,000 |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 500,000 |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  | 8.00% |  |
Debt Instrument, Convertible, Conversion Price |  |  |  |  | $ 0.12 |  |
Debt Instrument, Initial Debt Discount | 85,000 |  |  |  |  |  |
Debt Instrument, Convertible, Beneficial Conversion Feature | 80,000 |  |  |  |  |  |
Debt Instrument, Unamortized Discount | 19,000 | 105,000 |  |  |  |  |
Amortization of Debt Discount (Premium) | $ 86,000 | $ 60,000 |  |  |  |  |
Warrants Related to Line of Credit [Member] |  |  |  |  |  |  |
Class of Warrant or Right, Term | 5 years |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.20 |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 1,791,667 |  |  |  |  |  |
Security Research Associates, Inc [Member] |  |  |  |  |  |  |
Class of Warrant or Right, Term |  | 3 years |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  | $ 0.12 |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  | 89,583 |  |  |  | 2,176,500 |
Payments for Placement, Percentage of Gross Proceeds Raised |  | 5.00% |  |  |  |  |
Percentage of Aggregate Gross Proceeds from Note Received |  | 5.00% |  |  |  |  |
Payments for Commissions |  | $ 10,750 |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.15 |  | $ 0.15 | $ 0.27 |  |  | $ 0.41
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 2,907,347 |  |  | 2,907,347 |  |  | 2,970,347
Amortization of Debt Discount (Premium) | $ 86,000 | $ 60,000 |  |  |  |  |

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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Beneficial Conversion Feature -URI http://asc.fasb.org/extlink&oid=6505963 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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