Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details)

v2.4.0.6
Business Segment Information (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
segment
region
Jun. 30, 2011
Dec. 31, 2011
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 $ 4,874,909 $ 3,298,358 $ 8,891,275 $ 7,369,541  
Total revenue 164,099,905 165,481,943 310,673,274 311,901,712  
Interest income 4,142 65,799 9,077 183,233  
Interest expense 929,617 959,546 2,138,330 1,866,584  
Depreciation and amortization of intangible assets 4,769,256 2,849,934 9,708,503 5,532,335  
Income (loss) before provision taxes 7,195,498 12,368,994 9,282,683 19,771,947  
Total assets 660,675,789 660,579,017 660,675,789 660,579,017 645,597,467
Capital expenditures 10,800,732 9,041,092 18,241,445 16,527,525  
U.S Federal [Member]
          
Segment Reporting Information [Line Items]          
Total revenue 21,454,484 38,495,552 43,189,316 80,565,051  
Depreciation and amortization of intangible assets 32,487 57,301 135,057 113,512  
Income (loss) before provision taxes 1,969,949 7,438,809 3,258,310 13,986,612  
Total assets 153,902,746 227,473,184 153,902,746 227,473,184  
Capital expenditures 10,816 29,510 700,954 65,052  
Central U.S Region [Member]
          
Segment Reporting Information [Line Items]          
Total revenue 27,273,433 21,782,922 42,721,177 39,260,683  
Depreciation and amortization of intangible assets 4,966 9,242 10,041 15,821  
Income (loss) before provision taxes 3,706,625 1,080,845 4,496,889 689,508  
Total assets 30,522,323 16,479,677 30,522,323 16,479,677  
Capital expenditures   4,164   14,470  
Other U.S Regions [Member]
          
Segment Reporting Information [Line Items]          
Total revenue 65,182,293 52,042,053 115,748,499 89,034,780  
Income (loss) before provision taxes 10,642,416 8,826,309 19,173,562 14,707,904  
Total assets 266,603,024 191,757,215 266,603,024 191,757,215  
Capital expenditures 744,435 676,994 1,199,211 1,267,153  
Canada [Member]
          
Segment Reporting Information [Line Items]          
Total revenue 10,630,056 26,955,522 28,265,688 51,499,972  
Interest income 2,754 (10,171) 2,754 5,026  
Interest expense 118,234 (10,156) 239,725 1,925  
Depreciation and amortization of intangible assets 93,652 211,650 200,781 311,044  
Income (loss) before provision taxes (4,001,786) 405,680 (3,882,604) 1,395,567  
Total assets 58,479,009 68,345,751 58,479,009 68,345,751  
Capital expenditures 924,008 1,013,260 2,306,278 1,915,660  
All Other [Member]
          
Segment Reporting Information [Line Items]          
Number of U.S. regions reported in aggregate     4    
Income before taxes and unallocated corporate expenses 4,874,909 3,298,358 8,891,275 7,369,541  
Total revenue 39,559,639 26,205,894 80,748,594 51,541,226  
Interest income 1,388 75,970 6,323 178,207  
Interest expense 811,383 969,702 1,898,605 1,864,659  
Depreciation and amortization of intangible assets 4,638,151 2,571,741 9,362,624 5,091,958  
Income (loss) before provision taxes (5,121,706) (5,382,649) (13,763,474) (11,007,644)  
Total assets 151,168,687 156,523,190 151,168,687 156,523,190  
Capital expenditures 9,121,473 7,317,164 14,035,002 13,265,190  
Unallocated Amount to Segment [Member]
          
Segment Reporting Information [Line Items]          
Unallocated corporate expenses $ 9,996,615 $ 8,681,007 $ 22,654,749 $ 18,377,185