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Acquisitions (Details) (Water Star, Inc., USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | May 31, 2011
Water Star, Inc. |  |
Business Acquisition |  |
Business acquisition, effective date of acquisition | May 31, 2011 |
Business acquisition, cost of acquired entity, purchase price |  | $ 4,456
Payments to acquire business, gross | 2,956 |
Number of installment payments paid | 2 |
Amount of each installment payment paid | 750 |
Business Acquisition, Purchase Price Allocation |  |
Current Assets |  | 426
Property, Plant and Equipment, Net |  | 167
Identified Intangible Assets |  | 3,800
Goodwill |  | 472
Total Assets Acquired |  | 4,865
Current Liabilities |  | 409
Total Liabilities Assumed |  | 409
Net Assets Acquired |  | $ 4,456

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