|
Fair Value Measurement (Details) (USD $)
|
6 Months Ended | 6 Months Ended | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2014
Number_ContingentConsiderationOblig
|
Jun. 30, 2014
Contingent consideration
|
Jun. 30, 2014
Minimum
|
Jun. 30, 2014
Maximum
|
Jun. 30, 2014
Level 3
|
Jun. 30, 2013
Level 3
Contingent consideration
|
Jun. 30, 2014
Level 3
Nationwide Traffic Services, LLC.
Contingent consideration
|
Jun. 30, 2014
Level 3
DSI
Contingent consideration
|
Jun. 30, 2014
Level 3
Sharp Freight Systems, Inc. [Member]
Contingent consideration
|
Jun. 30, 2014
Level 3
Lubenow [Member]
Contingent consideration
|
Jun. 30, 2013
Level 3
Lubenow [Member]
Contingent consideration
|
Jun. 30, 2014
Level 3
Selling, general and administrative expenses
|
Jun. 30, 2013
Level 3
Selling, general and administrative expenses
|
Jun. 30, 2014
Fair Value, Measurements, Recurring
Total
Contingent consideration
|
Dec. 31, 2013
Fair Value, Measurements, Recurring
Total
Contingent consideration
|
Jun. 30, 2014
Fair Value, Measurements, Recurring
Level 1
Contingent consideration
|
Dec. 31, 2013
Fair Value, Measurements, Recurring
Level 1
Contingent consideration
|
Jun. 30, 2014
Fair Value, Measurements, Recurring
Level 2
Contingent consideration
|
Dec. 31, 2013
Fair Value, Measurements, Recurring
Level 2
Contingent consideration
|
Jun. 30, 2014
Fair Value, Measurements, Recurring
Level 3
Contingent consideration
|
Dec. 31, 2013
Fair Value, Measurements, Recurring
Level 3
Contingent consideration
|
|
| Fair value measurement: | |||||||||||||||||||||
| Contingent Consideration Obligations adjusted by Fair Value Adjustment | 10 | ||||||||||||||||||||
| Probability rate of paying the contingent consideration | 15.00% | 50.00% | |||||||||||||||||||
| Discount rate used to determine fair value of contingent consideration | 2.00% | 15.00% | |||||||||||||||||||
| Liabilities: | |||||||||||||||||||||
| Contingent consideration obligation | $ (7,810,947) | $ (7,810,947) | $ (7,150,432) | $ 0 | $ 0 | $ 0 | $ 0 | $ (7,810,947) | $ (7,150,432) | ||||||||||||
| Reconciliation of the beginning and ending balances of the liabilities measured at fair value | |||||||||||||||||||||
| Balance at beginning of period | (7,150,432) | ||||||||||||||||||||
| Increase related to acquisition of OFS | (880,000) | ||||||||||||||||||||
| Change in fair value | (1,305,185) | (1,305,185) | (413,943) | ||||||||||||||||||
| Settlements | 1,524,670 | 280,000 | 437,500 | 520,000 | 287,170 | 280,000 | 280,000 | ||||||||||||||
| Balance at end of period | $ (7,810,947) | ||||||||||||||||||||