Note 12 - Stock Based Compensation (Details) - Stock Option Activity (USD $)	0 Months Ended	12 Months Ended
	Dec. 18, 2014	Dec. 31, 2013	Dec. 31, 2014		Dec. 30, 2013
Note 12 - Stock Based Compensation (Details) - Stock Option Activity [Line Items]
Granted	165,000	0
2005 Stock Option Plan [Member]
Note 12 - Stock Based Compensation (Details) - Stock Option Activity [Line Items]
Balance at December 31, 2013					391,710
Balance at December 31, 2013					$ 9.34
Granted			165,000
Granted			$ 6.90
Forfeited			(7,150)
Forfeited			$ 9.09
Balance at December 31, 2014			549,560		391,710
Balance at December 31, 2014			$ 8.61		$ 9.34
Balance at December 31, 2014			4 years 29 days
Balance at December 31, 2014				[1]
Exercisable at December 31, 2014			549,560
Exercisable at December 31, 2014			$ 8.61
Exercisable at December 31, 2014			4 years 29 days
Exercisable at December 31, 2014				[1]

[1] The aggregate intrinsic value of a stock option in the table above represents the total pre-tax intrinsic value (the amount by which the current market value of the underlying stock exceeds the exercise price of the option) that would have been received by the option holders had all option holders exercised their options on December 31, 2014.