Annual report pursuant to Section 13 and 15(d)

Note 3 - Summary of Significant Accounting Policies (Details Textual)

v3.7.0.1
Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
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