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1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Jun. 30, 2018
Accounting Policies [Abstract]  
Schedule of Inventory
   2018   2017 
Raw material  $500,908   $501,346 
Work-in-progress   434,536    388,614 
Finished goods   208,624    165,487 
   $1,144,068   $1,055,447 
Estimated Useful Lives of Property and Equipment
Asset Classification   Estimated Useful Life
Machinery and equipment   2-7 years
Leasehold improvements   Shorter of lease term or estimated useful life
Furniture and fixtures   5 years
Vehicles   3 years
Percent schedule of entity wide revenues
   2018   2017 
Customer A   16%   5%
Customer B   14    10 
Customer C   8    10 
Customer D   4    11 
All Others   58    64 
    100%   100%
Schedule of earnings per share
   Year Ended June 30 
   2018   2017 
Net Loss– Basic and Diluted  $(351,390)  $(1,006,457)
           
Basic Weighted Average Shares Outstanding   9,826,151    8,343,235 
Potentially Dilutive Securities        
Diluted Weighted Average Shares Outstanding   9,826,151    8,343,235 
           
Loss Per Share          
Basic  $(0.04)  $(0.12)
Diluted  $(0.04)  $(0.12)
Warranty reserve activity
   2018   2017 
Balance at beginning of period  $25,000   $25,000 
Provision for warranty claims   6,109    14,842 
Warranty claims incurred   (6,109)   (14,842)
Balance at end of period  $25,000   $25,000