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Significant Suppliers and Customers
 12 Months Ended
Jun. 30, 2015
Risks and Uncertainties [Abstract]  
Significant Suppliers and Customers

14. Significant Suppliers and Customers

 

We utilize a number of glass compositions for the manufacture of our molded glass aspheres and lens array products. We purchase glass from Hikari, Ohara, CDGM and other suppliers.

 

Base optical materials, used in both GRADIUM and collimator products, are manufactured and supplied by a number of major optical and glass manufacturers. Optical fiber and collimator housings are manufactured and supplied by a number of major manufacturers.

  

In fiscal 2015, sales to three customers comprised an aggregate of approximately 27% of our annual sales. The loss of any of these customers, or a significant reduction in sales to any such customer, would adversely affect our revenues.

 

In fiscal 2014, sales to three customers comprised an aggregate of approximately 27% of our annual sales. The loss of any of these customers, or a significant reduction in sales to any such customer, would adversely affect our revenues.