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DEBT (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 item | Dec. 31, 2011 item
Debt Instruments |  |
Notes Payable | 25,027,877 | 11,131,405
Less Current Maturities | (10,615,279) | (5,802,513)
Notes payable, Noncurrent | 14,412,598 | 5,328,892
Annual maturities of notes payable |  |
2013 | 10,615,279 |
2014 | 7,933,416 |
2015 | 4,810,458 |
2016 | 1,540,360 |
2017 | 128,364 |
Total | 25,027,877 | 11,131,405
Revolving credit facility |  |
Debt Instruments |  |
Maximum borrowing capacity | 5,000,000 |
Line of credit facility, base rate | prime rate |
Debt instrument stated rate (as a percent) | 5.00% |
Notes Payable to commercial banks |  |
Debt Instruments |  |
Notes Payable | 24,553,291 | 9,827,949
Annual maturities of notes payable |  |
Total | 24,553,291 | 9,827,949
Notes payable with interest rate between 3.50% and 6.35% |  |
Debt Instruments |  |
Number of notes payable | 7 | 7
Minimum interest rate | 3.50% | 3.50%
Maximum interest rate | 6.35% | 6.35%
Notes payable with interest rate between 3.50% and 6.35% | Minimum |  |
Debt Instruments |  |
Monthly principal installments | 50,170 | 50,170
Notes payable with interest rate between 3.50% and 6.35% | Maximum |  |
Debt Instruments |  |
Monthly principal installments | 223,437 | 223,437
Notes payable with interest rate at 6.00% |  |
Debt Instruments |  |
Number of notes payable |  | 2
Notes Payable to finance companies |  |
Debt Instruments |  |
Notes Payable |  | 904,103
Annual maturities of notes payable |  |
Total |  | 904,103
Notes payable with interest rate between 5.33% and 6.00% |  |
Debt Instruments |  |
Number of notes payable | 3 | 3
Minimum interest rate | 5.33% | 5.33%
Maximum interest rate | 6.00% | 6.00%
Notes payable with interest rate between 5.33% and 6.00% | Minimum |  |
Debt Instruments |  |
Monthly principal installments | 23,740 | 23,740
Notes payable with interest rate between 5.33% and 6.00% | Maximum |  |
Debt Instruments |  |
Monthly principal installments | 61,997 | 61,997
Notes Payable to finance companies for insurance notes |  |
Debt Instruments |  |
Notes Payable | 474,586 | 399,353
Annual maturities of notes payable |  |
Total | 474,586 | 399,353
Notes payable with interest rate between 4.16% and 4.95% |  |
Debt Instruments |  |
Number of notes payable | 2 | 2
Minimum interest rate | 4.16% | 4.16%
Maximum interest rate | 4.95% | 4.95%
Notes payable with interest rate between 4.16% and 4.95% | Minimum |  |
Debt Instruments |  |
Monthly principal installments | 16,861 | 16,861
Notes payable with interest rate between 4.16% and 4.95% | Maximum |  |
Debt Instruments |  |
Monthly principal installments | 302,892 | 302,892

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