Related Party Transactions - Additional Information (Detail) (USD $)
3 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2013
Dec. 31, 2013
Shale Solutions
Sep. 04, 2012
Shale Solutions
Dec. 31, 2013
Power Fuels Merger
Dec. 31, 2012
Power Fuels Merger
Dec. 31, 2013
Underground Solutions, Inc
Dec. 31, 2009
Underground Solutions, Inc
Dec. 31, 2013
Richard J. Heckman
Dec. 31, 2012
Richard J. Heckman
Dec. 31, 2011
Richard J. Heckman
Dec. 31, 2013
Richard J. Heckman
Maximum
Dec. 31, 2013
Johnsrud. Pursuant
Dec. 31, 2012
Johnsrud. Pursuant
Dec. 31, 2013
Johnsrud. Pursuant
Maximum
Dec. 31, 2012
Johnsrud. Pursuant
Maximum
Investments in and Advances to Affiliates [Line Items]                                
Reimbursement of affiliate charges                 $ 400,000 $ 1,200,000 $ 900,000          
Amounts payable due to affiliate                       100,000 100,000      
Payment to all cash collected on receivables                         3,600,000      
Goodwill, purchase accounting adjustments   (6,821,000)     (8,700,000)               2,100,000      
Purchases made by the Company from sole proprietorship     700,000     2,200,000                    
Royalties paid                         100,000 100,000    
Royalties payable                             100,000 100,000
Percentage Of Ownership Interests Acquired       51.00%       7.00%                
Total investment               7,200,000                
Write-down of cost method investments $ 4,300,000 $ 4,300,000         $ 3,800,000