Note 7 - Long-term Debt (Details) (USD $) | 1 Months Ended | 3 Months Ended |
In Millions, unless otherwise specified | Feb. 28, 2015 | Mar. 31, 2015 |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Letters of Credit Outstanding, Amount (in Dollars) | | $6.20 |
Through May 31, 2016 [Member] | Minimum [Member] | Base Rate [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Debt Instrument, Basis Spread on Variable Rate | 0.25% | |
Through May 31, 2016 [Member] | Maximum [Member] | Base Rate [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Debt Instrument, Basis Spread on Variable Rate | 1.00% | |
Through May 31, 2016 [Member] | Base Rate [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Debt Instrument, Basis Spread on Variable Rate | 0.50% | |
Through May 31, 2016 [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Debt Instrument, Basis Spread on Variable Rate | 1.50% | |
After May 31, 2016 [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Debt Instrument, Basis Spread on Variable Rate | 1.25% | |
After May 31, 2016 [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Debt Instrument, Basis Spread on Variable Rate | 2.00% | |
Eligible Investment Grade Accounts Receivable [Member] | Minimum [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Borrowing Based Treshhold, Percentage | 85.00% | |
Eligible Investment Grade Accounts Receivable [Member] | Maximum [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Borrowing Based Treshhold, Percentage | 90.00% | |
Eligible Investment Grade Accounts Receivable [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Borrowing Based Treshhold, Percentage | 85.00% | |
Eligible Unbilled Accounts Receivable [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Borrowing Based Treshhold, Percentage | 85.00% | |
Eligible Revenue Equipment [Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Borrowing Based Treshhold, Percentage | 85.00% | |
Borrowing Base before Additions (in Dollars) | 10 | |
Newly Acquired Revenue Equipment[Member] | Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Borrowing Based Treshhold, Percentage | 85.00% | |
Revolving Credit Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars) | 170 | |
Line of Credit Facility, Additional Borrowing Capacity (in Dollars) | 80 | |
Line of Credit Facility Additional Borrowing Capacity, Incremental Amount (in Dollars) | 20 | |
Debt Instrument, Term | 5 years | |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.25% | |
Write off of Deferred Debt Issuance Cost (in Dollars) | 0.8 | |
Debt Instrument, Covenant, Fixed Charge Coverage Ratio | 1 | |
Minimum Excess Availability, Percentage of Maximum Revolver Amount | 10.00% | |
Proceeds from Long-term Lines of Credit (in Dollars) | | 0 |
Debt, Weighted Average Interest Rate | | 1.74% |
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars) | | 96.3 |
Letter of Credit Sub Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars) | 15 | |
Swing Line Sub Facility [Member] | | |
Note 7 - Long-term Debt (Details) [Line Items] | | |
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars) | $20 | |