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Note 3 - Summary of Significant Accounting Policies (Details Narrative) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2019 | Mar. 31, 2018 | Jun. 30, 2018 | Jun. 30, 2017
Cash |  |  |  |  | $ 2,706,000 |
Cash Equivalents |  |  |  |  | 0 | $ 0
Inventory Adjustments |  |  |  |  | 27,000 | 56,000
Deferred Revenue |  |  |  |  | 0 | 0
Standard and Extended Product Warranty Accrual |  |  |  |  | 158,000 | 85,000
Unrecognized Tax Benefits |  |  |  |  | $ 0 | $ 0
Weighted Average Number of Shares Outstanding, Basic and Diluted | 50,769,673 | 25,112,349 | 41,054,334 | 25,142,039 | 25,394,262 | 24,544,605
Antidilutive Securities Excluded from Computation of Earnings Per Share |  |  | 5,923,106 | 17,987,632 |  |
Minimum [Member] |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  | 3 years |
Impairment of Long-Lived Assets Held-for-use |  |  |  |  | $ 0 |
Maximum [Member] |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  | 10 years |
Impairment of Long-Lived Assets Held-for-use |  |  |  |  | $ 0 |

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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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