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Business and Credit Concentrations (Tables) | 12 Months Ended
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Dec. 31, 2015
Risks and Uncertainties [Abstract] |
Schedule of significant portions of the Company's net sales | Significant portions of the Company’s net sales are as follows:
| Year Ended December 31,
| 2015 |  | 2014 |  | 2013
Net sales to foreign customers outside the U.S. and Canada | 37 | % |  | 33 | % |  | 37 | %
Net sales to SANG | * |  |  | * |  |  | 12 | %
* | Represents less than 10%

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