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DEBT (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2015
USD ($)
$ / shares
item
Dec. 31, 2014
USD ($)
item
Debt Instruments    
Aggregate principal amount $ 12,966,000  
Notes payable    
Aggregate principal amount outstanding 12,966,000  
Annual maturities of notes payable    
July 2015 - June 2016 7,754,000  
July 2016 - June 2017 4,704,000  
July 2017 - June 2018 508,000  
Total 12,966,000  
Future minimum lease payments    
July 2015 - June 2016 1,138,000  
July 2016 - June 2017 668,000  
July 2017 - June 2018 159,000  
Total minimum lease payments required $ 1,965,000  
Minimum    
Future minimum lease payments    
Interest rate (as a percent) 3.76%  
Maximum    
Future minimum lease payments    
Interest rate (as a percent) 8.17%  
Legacy Dawson Credit Agreement    
Debt Instruments    
Number of notes payable | item   3
Aggregate principal amount   $ 8,577,000
Interest rate floor   4.00%
Capital lease obligations $ 1,245,000 $ 1,650,000
Notes payable    
Aggregate principal amount outstanding   8,577,000
Repayments of Notes Payable $ 5,144,000  
Annual maturities of notes payable    
Total   8,577,000
Legacy Dawson Credit Agreement | LIBOR    
Debt Instruments    
Variable interest rate basis 30-day LIBOR  
Spread on variable rate (as a percent) 2.25%  
Legacy Dawson Credit Agreement | Prime rate    
Debt Instruments    
Variable interest rate basis Prime Rate  
Spread on variable rate (as a percent) (0.75%)  
Existing Credit Agreement    
Debt Instruments    
Number of notes payable | item 1  
Borrowing, repaying and reborrowing capacity $ 20,000,000  
Percentage of maximum borrowing capacity on eligible accounts receivable 80.00%  
Minimum tangible net worth $ 150,000,000  
Existing Credit Agreement | Minimum    
Debt Instruments    
Ratio of current assets to current liabilities 1.50  
Existing Credit Agreement | Maximum    
Debt Instruments    
Interest rate 4.50%  
Debt to tangible net worth ratio 1.00  
Existing Credit Agreement | Maximum | Prime rate    
Debt Instruments    
Interest rate 2.50%  
Legacy TGC Credit Agreement    
Debt Instruments    
Number of notes payable | $ / shares 3  
Aggregate principal amount $ 7,775,000  
Capital lease obligations 720,000  
Notes payable    
Aggregate principal amount outstanding 7,775,000  
Annual maturities of notes payable    
Total 7,775,000  
Notes payable to commercial banks    
Debt Instruments    
Aggregate principal amount 12,919,000 8,577,000
Notes payable    
Aggregate principal amount outstanding $ 12,919,000 $ 8,577,000
Minimum interest rate (as a percent) 3.50% 3.16%
Maximum interest rate (as a percent) 4.60% 4.60%
Annual maturities of notes payable    
Total $ 12,919,000 $ 8,577,000
Notes payable to commercial banks | Minimum    
Notes payable    
Monthly payments (excluding interest) 128,363 128,363
Notes payable to commercial banks | Maximum    
Notes payable    
Monthly payments (excluding interest) $ 285,757 $ 290,938
Notes Payable to finance companies for insurance notes    
Debt Instruments    
Number of notes payable | item 1  
Aggregate principal amount $ 47,000  
Notes payable    
Aggregate principal amount outstanding $ 47,000  
Interest rate (as a percent) 4.09%  
Monthly payments (excluding interest) $ 14,674  
Annual maturities of notes payable    
Total $ 47,000