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Business Acquisition (Details) (USD $)
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3 Months Ended | 1 Months Ended | 0 Months Ended | ||
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Mar. 31, 2013
Installments
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Dec. 31, 2012
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Oct. 31, 2011
Safety and Ecology Holdings Corporation [Member]
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Oct. 31, 2011
Safety and Ecology Holdings Corporation [Member]
Promissory Note [Member]
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Feb. 12, 2013
Safety and Ecology Holdings Corporation [Member]
New Note [Member]
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| Business Acquisition [Line Items] | |||||
| Cancelled debt principal balance pursuant to settlement agreement | $ 1,460,000 | ||||
| Promissory note | 2,500,000 | ||||
| Term of debt | 2 years | ||||
| Promissory note issued pursuant to settlement agreement | 14,527,000 | 14,267,000 | 230,000 | ||
| Annual rate of interest (in hundredths) | 6.00% | ||||
| Number of monthly installments | 36 | 24 | |||
| Frequency of periodic payment | monthly | ||||
| Periodic payment | 40,000 | 10,000 | |||
| Date of first required payment | Feb. 28, 2013 | ||||
| Escrow balance released | 500,000 | ||||
| Escrow deposit | 2,000,000 | ||||
| Escrow deposit received | $ 1,500,000 | ||||
| X | ||||||||||
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- Definition
Release of remaining escrow balance on settlement of claims related to acquisition. No definition available.
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- Definition
Receipt of amount from escrow due to unmet terms per the acquisition agreement from acquiree in connection with the acquisition. No definition available.
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| X | ||||||||||
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- Definition
Number of monthly installments for repayments of promissory notes. No definition available.
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| X | ||||||||||
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- Definition
Term of debt expressed in years. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The amount of acquisition cost of a business combination allocated to notes payables and long-term debt assumed from the acquired entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Description of the frequency of periodic payments (monthly, quarterly, annual). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the required periodic payments including both interest and principal payments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Gross amount of debt extinguished. No definition available.
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| X | ||||||||||
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of the carrying amount of short-term borrowings outstanding as of the balance sheet date which accrues interest at a set, unchanging rate. No definition available.
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