Consolidated Statements of Operations - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
|
| Income Statement [Abstract] | ||
| Revenue | $ 405,277,532 | $ 283,491,574 |
| Costs and expenses: | ||
| Transportation costs | 324,450,717 | 230,239,858 |
| Selling, general, and administrative expenses | 69,476,488 | 44,027,813 |
| Depreciation and amortization | 7,529,333 | 3,873,137 |
| Income from operations | 3,820,994 | 5,350,766 |
| Interest expense | (3,503,395) | (37,968) |
| Other expense | 0 | (52,021) |
| Interest and other expense | (3,503,395) | (89,989) |
| Income before provision for income taxes | 317,599 | 5,260,777 |
| Income tax expense | (54,988) | (1,933,000) |
| Net income | $ 262,611 | $ 3,327,777 |
| Basic earnings per common share | $ 0.01 | $ 0.14 |
| Diluted earnings per common share | $ 0.01 | $ 0.14 |