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Business Acquisition OLC (Schedule of Acquisitions by Assets and Liabilities) (Details) (Organic Land Corporation [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Organic Land Corporation [Member]
 
Business Acquisition [Line Items]  
Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents $ 70
Business Acquisition, Purchase Price Allocation, Current Assets, Receivables 378
Business Acquisition, Purchase Price Allocation, Current Assets, Inventory 55
Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets 21
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment 4,067
Business Acquisition Purchase Price Allocation Current Liabilities Accounts Payable And Accrued Liabilities (228)
Business Acquisition, Purchase Price Allocation, Noncurrent Liabilities, Long-term Debt (465)
Business Acquisition, Cost of Acquired Entity, Purchase Price $ 3,898