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NOTE 5 - INVENTORIES - Inventories (Details) - USD ($)
Jun. 30, 2017
Jun. 30, 2016
Inventory Disclosure [Abstract]    
Purchased parts, components and supplies $ 1,430,901 $ 1,862,605
Work-in-process 193,361 211,695
Inventories $ 1,624,262 $ 2,074,300