Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin (USD $)	6 Months Ended
	Jun. 30, 2014
Level I [Member] | Base Rate [Member]
Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	1.25%
Level I [Member] | London Interbank Offered Rate (LIBOR) [Member]
Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	2.25%
Level I [Member] | Minimum [Member]
Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin [Line Items]
Average Excess Availability (in Dollars)	$ 50,000,000
Level II [Member] | Base Rate [Member]
Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	1.50%
Level II [Member] | London Interbank Offered Rate (LIBOR) [Member]
Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	2.50%
Level II [Member] | Maximum [Member]
Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin [Line Items]
Average Excess Availability (in Dollars)	50,000,000
Level II [Member] | Minimum [Member]
Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin [Line Items]
Average Excess Availability (in Dollars)	30,000,000
Level III [Member] | Base Rate [Member]
Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	1.75%
Level III [Member] | London Interbank Offered Rate (LIBOR) [Member]
Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin [Line Items]
Applicable Margin	2.75%
Level III [Member] | Maximum [Member]
Note 7 - Long-Term Debt (Details) - Summary of Applicable Margin [Line Items]
Average Excess Availability (in Dollars)	$ 30,000,000