Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
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| Inventory Adjustments | $ 56,000 | $ 30,000 |
| Deferred Revenue | $ 0 | 0 |
| Product Warranty, Term | 5 years | |
| Standard and Extended Product Warranty Accrual | $ 85,000 | 120,000 |
| Impairment of Long-Lived Assets Held-for-use | 0 | 0 |
| Unrecognized Tax Benefits | $ 0 | $ 0 |
| Weighted Average Number of Shares Outstanding, Basic and Diluted | 24,544,605 | 14,927,390 |
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 12,607,853 | 5,795,292 |
| Cash | $ 121,000 | |
| Cash Equivalents, at Carrying Value | 0 | $ 0 |
| Allowance for Doubtful Accounts Receivable | $ 0 | $ 0 |
| Minimum [Member] | ||
| Property, Plant and Equipment, Useful Life | 3 years | |
| Maximum [Member] | ||
| Property, Plant and Equipment, Useful Life | 10 years | |
| X | ||||||||||
- Definition Represents the product warranty term. No definition available.
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| X | ||||||||||
- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). No definition available.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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