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Note 21 - Quarterly Financial Information (Unaudited) (Details) - Summary of Quarterly Financial Information (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2012
Summary of Quarterly Financial Information [Abstract]                      
Net revenue (in Dollars) $ 73,859 $ 76,278 $ 82,166 $ 78,411 $ 67,466 $ 78,763 $ 98,912 $ 96,463 $ 310,714 $ 341,604  
Gross profit (in Dollars) 6,380 7,261 8,336 8,076 8,638 9,374 13,223 12,514 30,053 43,749 43,749
Operating (loss) income (in Dollars) (1,843) (975) (689) (6,881) (559) 635 4,468 4,503 (10,388) 9,047 9,047
Net (loss) income from continuing operations (in Dollars) 61 (1,995) (1,494) (6,459) (850) 592 5,014 5,511 (9,887)   10,267
Net loss from discontinued operations (in Dollars) 0 0 0 0 (90) (6,331) (576) (223) 0   7,220
Net (loss) income (in Dollars) $ 61 $ (1,995) $ (1,494) $ (6,459) $ (940) $ (5,739) $ 4,438 $ 5,288 $ (9,887)   $ 3,047
(Loss) income per share from continuing operations $ 0 $ (0.10) $ (0.08) $ (0.34) $ (0.04) $ 0.03 $ 0.25 $ 0.28 $ (0.51)   $ 0.51
Loss per share from discontinued operations $ 0 $ 0 $ 0 $ 0 $ (0.01) $ (0.33) $ (0.03) $ (0.01) $ 0.00   $ 0.38
Net (loss) income per share $ 0 $ (0.10) $ (0.08) $ (0.34) $ (0.05) $ (0.30) $ 0.22 $ 0.27 $ (0.51)   $ 0.13
Loss (income) per share from continuing operations $ 0 $ (0.10) $ (0.08) $ (0.34) $ (0.04) $ 0.03 $ 0.25 $ 0.28 $ (0.51)   $ 0.50
Loss per share from discontinued operations $ 0 $ 0 $ 0 $ 0 $ (0.01) $ (0.32) $ (0.03) $ (0.01) $ 0.00   $ 0.37
Net (loss) income per share $ 0 $ (0.10) $ (0.08) $ (0.34) $ (0.05) $ (0.29) $ 0.22 $ 0.27 $ (0.51)   $ 0.13
Cash dividends declared per common share $ 0.02 $ 0.02 $ 0.02 $ 0.02 $ 0.02 $ 0.02 $ 0.02 $ 0.02 $ 0.08   $ 0.08