Note 8 - Long-term Debt (Details) - Summary of Applicable Margin (USD $)	12 Months Ended
	Dec. 31, 2013
Base Rate [Member] | Level I [Member]
Note 8 - Long-term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	1.25%
Base Rate [Member] | Level II [Member]
Note 8 - Long-term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	1.50%
Base Rate [Member] | Level III [Member]
Note 8 - Long-term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	1.75%
London Interbank Offered Rate (LIBOR) [Member] | Level I [Member]
Note 8 - Long-term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	2.25%
London Interbank Offered Rate (LIBOR) [Member] | Level II [Member]
Note 8 - Long-term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	2.50%
London Interbank Offered Rate (LIBOR) [Member] | Level III [Member]
Note 8 - Long-term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	2.75%
Maximum [Member] | Level II [Member]
Note 8 - Long-term Debt (Details) - Summary of Applicable Margin [Line Items]
Average Excess Availability (in Dollars)	$ 50,000,000
Maximum [Member] | Level III [Member]
Note 8 - Long-term Debt (Details) - Summary of Applicable Margin [Line Items]
Average Excess Availability (in Dollars)	30,000,000
Minimum [Member] | Level I [Member]
Note 8 - Long-term Debt (Details) - Summary of Applicable Margin [Line Items]
Average Excess Availability (in Dollars)	50,000,000
Minimum [Member] | Level II [Member]
Note 8 - Long-term Debt (Details) - Summary of Applicable Margin [Line Items]
Average Excess Availability (in Dollars)	$ 30,000,000