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Acquistion (Details) (Water Star, Inc., USD $) In Thousands, unless otherwise specified | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | May 31, 2011
Water Star, Inc. |  |  |  |  |
Business Combinations |  |  |  |  |
Business Acquisition, Effective Date of Acquisition | May 31, 2011 |  |  |  |
Business Combination, Cost of Acquired Entity, Purchase Price |  |  |  |  | $ 4,456
Payments to Acquire Businesses, Gross |  | 750 | 750 | 2,956 |
Number of installment payments paid | 2 |  |  |  |
Amount of installment payment paid | $ 750 |  |  |  |

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- Definition The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. + References No definition available. + Details
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