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RELATED PARTY TRANSACTIONS RELATED PARTY TRANSACTIONS (Schedule of Related Party Transactions) (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Related Party Transaction [Line Items]      
Related party payables $ 491   $ 1,922
Director [Member]      
Related Party Transaction [Line Items]      
Accounts payable 176   250
Expenses 62 $ 115  
K and R, LLC [Member] | Affiliated Entity [Member]      
Related Party Transaction [Line Items]      
Deposits (included in other long-term assets) 42   74
Deposit payable 0   500
Notes Payable, Related Parties 1,504   0
Accrued Interest, Related Party 25   0
K and R, LLC [Member] | Affiliated Entity [Member] | Accrued rent payable      
Related Party Transaction [Line Items]      
Related party payables 63   821
K and R, LLC [Member] | Affiliated Entity [Member] | Rent expense (property)      
Related Party Transaction [Line Items]      
Expenses 323 323  
K and R, LLC [Member] | Affiliated Entity [Member] | Lease expense (equipment)      
Related Party Transaction [Line Items]      
Related party payables 15   132
Expenses 30 63  
K and R, LLC [Member] | Affiliated Entity [Member] | Interest expense [Member]      
Related Party Transaction [Line Items]      
Expenses 25 0  
Algar, Inc. [Member] | Affiliated Entity [Member]      
Related Party Transaction [Line Items]      
Accounts payable 5   28
Related party payables 205   189
Related Party Transaction, Bonus Expense 168 0  
Expenses 9 24  
Algar, Inc. [Member] | Affiliated Entity [Member] | Scrap metal purchase [Member]      
Related Party Transaction [Line Items]      
Expenses 771 520  
Algar, Inc. [Member] | Affiliated Entity [Member] | Management fee expense [Member]      
Related Party Transaction [Line Items]      
Expenses 125 125  
Algar, Inc. [Member] | Affiliated Entity [Member] | Sale of Scrap Metal [Member]      
Related Party Transaction [Line Items]      
Accounts receivable 14   93
Revenue from product sales & services 0 62  
Algar, Inc. [Member] | Affiliated Entity [Member] | Logistical Services [Member]      
Related Party Transaction [Line Items]      
Accounts receivable 3   19
Revenue from product sales & services 48 23  
Algar, Inc. [Member] | Affiliated Entity [Member] | IT Services [Member]      
Related Party Transaction [Line Items]      
Revenue from product sales & services 12 11  
Algar, Inc. [Member] | Affiliated Entity [Member] | Rental Income [Member]      
Related Party Transaction [Line Items]      
Accounts receivable 17   0
Revenue from product sales & services 17 0  
Affiliated Entity, LK Property Investments, LLC [Member] | Affiliated Entity [Member]      
Related Party Transaction [Line Items]      
Deposits (included in other long-term assets) 3   3
Accounts payable 2   1
Expenses 18 6  
Scrap material sales 0    
Affiliated Entity, SG&D Ventures, LLC [Member] | Affiliated Entity [Member]      
Related Party Transaction [Line Items]      
Scrap material sales 0   1
MetalX, LLC [Member] | Affiliated Entity [Member]      
Related Party Transaction [Line Items]      
Accounts receivable 65   $ 19
Revenue from product sales & services $ 74 $ 1,456