Note 2 - Income (Loss) Per Share (Detail) - Calculation of Net Loss Per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net income (loss) (in Dollars)	$ 1,002	$ (11,213)	$ 4,612	$ (12,022)
Denominator for basic earnings per share – weighted - average shares	14,757	14,719	14,737	14,678
Equivalent shares issuable upon conversion of unvested restricted stock	50		36
Denominator for diluted earnings per share – adjusted weighted-average shares and assumed conversions	14,807	14,719	14,773	14,678
Basic income (loss) per share: (in Dollars per share)	$ 0.07	$ (0.76)	$ 0.31	$ (0.82)
Diluted income (loss) per share: (in Dollars per share)	$ 0.07	$ (0.76)	$ 0.31	$ (0.82)