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Acquisitions (Details) (Water Star, Inc., USD $) In Thousands, unless otherwise specified | 9 Months Ended |
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Sep. 30, 2013 | May 31, 2011
Water Star, Inc. |  |
Business Acquisition |  |
Date of acquisition | May 31, 2011 |
Purchase price |  | $ 4,456
Cash paid as part of purchase price | 2,956 |
Number of payments to be made in future in acquisition | 2 |
Amount of each installment payments | 750 |
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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- Definition Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 53 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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