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Note 12 - Concentrations | 12 Months Ended
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Jun. 30, 2016
Notes to Financial Statements |
Concentration Risk Disclosure [Text Block] | NOTE 1 2 - CONCENTRATIONS Credit Risk Financial instruments that potentially subject the Company to concentrations of credit risk consist principally of temporary c ash investments and unsecured trade accounts receivable. The Company maintains cash balances at a financial institution in San Diego, California. Our cash balance at this institution is secured by the Federal Deposit Insurance Corporation up to $250,000. As of June 30, 2016, cash totaled approximately $127,000, which consists of funds held in a non-interest bearing bank deposit account. The Company has not experienced any losses in such accounts. Management believes that the Company is not exposed to any significant credit risk with respect to its cash. Customer Concentrations During the year ended June 30, 2016, we had three major customers that each represented more than 10% of our revenues on an individual basis, or approximately $285,000 or 51% of our total revenues. During the year ended June 30, 2015, we had three major customers that each represented more than 10% of our revenues on an individual basis, or approximately $341,000 or 47% of our total revenues. Suppliers/Vendor Concentrations We obtain a limited number of components and supplies included in our products from a small group of suppliers. During the year ended June 30, 2016 we had three suppliers who accounted for more than 10% of our total purchases, on an individual basis. Purchases for these three suppliers totaled $793,000 for a total of 66% of our total purchases. We obtain a limited number of components and supplies included in our products from a small group of suppliers. During the year ended June 30, 2015 we had three suppliers who accounted for more than 10% of our total purchases, on an individual basis. Purchases for these three suppliers totaled $528,000 for a total of 66% of our total purchases.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6327-108592 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=73719730&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=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6442-108592 Reference 5: 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=64851502&loc=d3e6351-108592 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
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