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Significant Suppliers and Customers	12 Months Ended
Jun. 30, 2014
Risks and Uncertainties [Abstract]
Significant Suppliers and Customers	15. 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 2014, sales to three customers comprised 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 2013, sales to five customers comprised approximately 38% of our annual sales.

Significant Suppliers and Customers

12 Months Ended

Jun. 30, 2014

15. 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 2014, sales to three customers comprised 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 2013, sales to five customers comprised approximately 38% of our annual sales.

- Definition

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

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