|
Goodwill and Intangible Assets - Intangible Assets (Details) (USD $)
|
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
|
Jun. 30, 2011
|
|
| Finite-Lived Intangible Assets [Line Items] | ||||
| Acquisitions | $ 0 | $ 0 | ||
| Intangible Assets, Net [Roll Forward] | ||||
| December 31, 2011 | 12,727,528 | |||
| 2012 Amortization | (1,314,778) | 0 | (2,971,022) | 0 |
| June 30, 2012 | 9,756,506 | 9,756,506 | ||
|
Customer contracts [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| 2012 Amortization | (646,124) | (1,633,713) | ||
|
Customer contracts [Member] | Minimum [Member]
|
||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Intangible assets amortization period | 1 year | |||
|
Customer contracts [Member] | Maximum [Member]
|
||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Intangible assets amortization period | 5 years | |||
|
Customer relationships, non-compete agreements, technology, and trade name [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| 2012 Amortization | (668,654) | (1,337,309) | ||
|
Customer relationships, non-compete agreements, technology, and trade name [Member] | Minimum [Member]
|
||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Intangible assets amortization period | 4 years | |||
|
Customer relationships, non-compete agreements, technology, and trade name [Member] | Maximum [Member]
|
||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Intangible assets amortization period | 10 years | |||
|
Other U.S Regions [Member] | Customer contracts [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| December 31, 2011 | 1,060,433 | |||
| 2012 Amortization | (1,012,507) | |||
| June 30, 2012 | 47,926 | 47,926 | ||
|
Other U.S Regions [Member] | Customer relationships [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| December 31, 2011 | 3,240,593 | |||
| 2012 Amortization | (550,812) | |||
| June 30, 2012 | 2,689,781 | 2,689,781 | ||
|
Other U.S Regions [Member] | Non-compete agreements [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| December 31, 2011 | 1,393,575 | |||
| 2012 Amortization | (275,170) | |||
| June 30, 2012 | 1,118,405 | 1,118,405 | ||
|
Other U.S Regions [Member] | Technology [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| December 31, 2011 | 200,582 | |||
| 2012 Amortization | (25,960) | |||
| June 30, 2012 | 174,622 | 174,622 | ||
|
All Other [Member] | Customer contracts [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| December 31, 2011 | 2,551,124 | |||
| 2012 Amortization | (621,206) | |||
| June 30, 2012 | 1,929,918 | 1,929,918 | ||
|
All Other [Member] | Customer relationships [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| December 31, 2011 | 2,073,478 | |||
| 2012 Amortization | (78,572) | |||
| June 30, 2012 | 1,994,906 | 1,994,906 | ||
|
All Other [Member] | Non-compete agreements [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| December 31, 2011 | 398,222 | |||
| 2012 Amortization | (49,778) | |||
| June 30, 2012 | 348,444 | 348,444 | ||
|
All Other [Member] | Technology [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| December 31, 2011 | 1,386,506 | |||
| 2012 Amortization | (273,369) | |||
| June 30, 2012 | 1,113,137 | 1,113,137 | ||
|
All Other [Member] | Trade names [Member]
|
||||
| Intangible Assets, Net [Roll Forward] | ||||
| December 31, 2011 | 423,015 | |||
| 2012 Amortization | (83,648) | |||
| June 30, 2012 | $ 339,367 | $ 339,367 | ||