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Long-Term Debt (Schedule of Long-term Debt) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Other debt $ 149 $ 279
Deferred financing costs (112) (222)
Long-Term Debt 44,533 27,075
Less: current portion 44,516 4,654
Long-term debt, less current portion 17 22,421
2015 Credit Agreement - Revolving Facility | 2015 Credit Agreement    
Debt Instrument [Line Items]    
Secured debt 34,000 12,000
2015 Credit Agreement - U.S. Closing Date Term Facility | 2015 Credit Agreement    
Debt Instrument [Line Items]    
Secured debt 2,038 2,967
2015 Credit Agreement - U.S. Delayed Draw Term Facility | 2015 Credit Agreement    
Debt Instrument [Line Items]    
Secured debt 4,982 7,253
2015 Credit Agreement - Canadian Term Facility | 2015 Credit Agreement    
Debt Instrument [Line Items]    
Secured debt $ 3,476 $ 4,798