Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details)

v2.4.0.8
Business Segment Information (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
segment
region
Jun. 30, 2012
Dec. 31, 2012
Segment Reporting Information [Line Items]          
Number of reportable segments     4    
Number of U.S. regions reported in aggregate     4    
Income before taxes and unallocated corporate expenses $ 5,448,485 $ 4,525,291      
Total revenue 126,252,694 164,099,905 236,388,217 310,673,274  
Interest income 34,912 4,142 191,493 9,077  
Interest expense 1,099,302 929,617 2,025,135 2,138,330  
Depreciation and amortization of intangible assets 4,580,462 4,769,256 10,278,480 9,708,503  
Income (loss) before taxes (2,357,752) 6,845,880 (4,904,562) 9,162,931  
Total assets 619,949,075 660,675,789 619,949,075 660,675,789 675,472,003
Capital expenditures 18,920,071 10,800,732 31,579,303 18,241,445  
U.S Federal [Member]
          
Segment Reporting Information [Line Items]          
Total revenue 12,832,574 21,454,484 25,936,975 43,189,316  
Depreciation and amortization of intangible assets 112,921 32,487 222,956 135,057  
Income (loss) before taxes (780,354) 1,969,949 (119,592) 3,258,310  
Total assets 72,251,324 153,902,746 72,251,324 153,902,746  
Capital expenditures 116,772 10,816 366,802 700,954  
Central U.S Region [Member]
          
Segment Reporting Information [Line Items]          
Total revenue 19,648,513 27,273,433 30,558,447 42,721,177  
Depreciation and amortization of intangible assets 10,283 4,966 15,019 10,041  
Income (loss) before taxes 1,524,693 3,706,625 1,357,540 4,496,889  
Total assets 23,685,122 30,522,323 23,685,122 30,522,323  
Capital expenditures 9,400 0 72,297 0  
Other U.S Regions [Member]
          
Segment Reporting Information [Line Items]          
Total revenue 40,722,038 65,182,293 76,821,589 115,748,499  
Income (loss) before taxes 4,544,167 10,642,416 8,439,204 19,173,562  
Total assets 255,268,359 266,603,024 255,268,359 266,603,024  
Capital expenditures 212,436 744,435 821,870 1,199,211  
Canada [Member]
          
Segment Reporting Information [Line Items]          
Total revenue 16,125,048 10,630,056 29,785,472 28,265,688  
Interest income 11,629 2,754 25,575 2,754  
Interest expense 514,793 118,234 672,427 239,725  
Depreciation and amortization of intangible assets 192,508 93,652 385,631 200,781  
Income (loss) before taxes (1,203,935) (4,001,786) (1,933,991) (3,882,604)  
Total assets 50,336,156 58,479,009 50,336,156 58,479,009  
Capital expenditures 225,021 924,008 386,695 2,306,278  
All Other [Member]
          
Segment Reporting Information [Line Items]          
Number of U.S. regions reported in aggregate     4    
Income before taxes and unallocated corporate expenses     10,663,030 8,771,523  
Total revenue 36,924,521 39,559,639 73,285,734 80,748,594  
Interest income 23,283 1,388 165,918 6,323  
Interest expense 584,509 811,383 1,352,708 1,898,605  
Depreciation and amortization of intangible assets 4,264,750 4,638,151 9,654,874 9,362,624  
Income (loss) before taxes (6,442,323) (5,471,324) (12,647,723) (13,883,226)  
Total assets 218,408,114 151,168,687 218,408,114 151,168,687  
Capital expenditures 18,356,442 9,121,473 29,931,639 14,035,002  
Unallocated Amount to Segment [Member]
          
Segment Reporting Information [Line Items]          
Unallocated corporate expenses 11,890,808 9,996,615      
Indirect expenses     $ 23,310,753 $ 22,654,749