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Segment Information (Schedule of Segment Reporting Information, by Segment) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Feb. 28, 2018
Segment Reporting Information [Line Items]      
Revenues $ 82,973 $ 139,536  
Operating (Loss) Income (8,592) 1,419  
Consolidated interest expense and deferred financing costs (32) (42)  
Consolidated other income (expense) 381 (299)  
(Loss) income before income taxes (8,243) 1,078  
Depreciation and amortization 2,550 2,337  
Capital expenditures 182 296  
Manufacturing [Member]      
Segment Reporting Information [Line Items]      
Revenues 79,733 137,740  
Operating (Loss) Income (3,816) 7,249  
Depreciation and amortization 2,484 2,157  
Capital expenditures 141 312  
Assets acquired     $ 17,200
Corporate and Other [Member]      
Segment Reporting Information [Line Items]      
Revenues 3,240 1,796  
Operating (Loss) Income (4,776) (5,830)  
Depreciation and amortization 66 180  
Capital expenditures $ 41 $ (16)