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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Net revenue $ 105,946 $ 91,962
Cost of sales 79,541 69,688
Gross profit 26,405 22,274
Operating expenses    
Selling 6,470 5,752
Administrative 18,361 15,446
Amortization 697 791
Operating income 877 285
Other expense (income)    
Interest expense 588 462
Other (462) 71
Non-operating income (expense) 126 533
Income (loss) before income taxes 751 (248)
Income tax provision (benefit) 350 (5)
Net income (loss) from continuing operations 401 (243)
Discontinued operations    
Loss from discontinued operations 45 287
Income tax provision (17)  
Loss from discontinued operations, net of income taxes 28 287
Net income (loss) 373 (530)
Net loss attributable to common shareholders (19,524) (2,017)
Weighted average shares outstanding (basic and diluted) 25,841,679 22,033,901
Net loss per share (basic and diluted)    
Loss per share from continuing operations attributable to common stockholders (basic and diluted) $ (0.75) $ (0.08)
Loss per share from discontinued operations attributable to common stockholders (basic and diluted) $ (0.01) $ (0.01)
Loss per share attributable to common stockholders (basic and diluted) $ (0.76) $ (0.09)
Redeemable Preferred Stock [Member]
    
Discontinued operations    
Accretion charges on Redeemable Preferred Stock $ (19,897) $ (1,487)