Annual report pursuant to Section 13 and 15(d)

Capital Assets (Details)

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Capital Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Capital Assets      
Cost $ 39,188 $ 38,906  
Accumulated Depreciation 15,558 13,748  
Net Book Value 23,630 25,158  
Depreciation expense 1,800 1,900 $ 3,500
Rolling stock [Member]      
Capital Assets      
Cost 3,452 3,432  
Accumulated Depreciation 3,311 3,290  
Net Book Value 141 142  
Building Enclosures [Member]      
Capital Assets      
Cost 33,008 32,991  
Accumulated Depreciation 10,181 8,530  
Net Book Value 22,827 24,461  
Machinery and equipment [Member]      
Capital Assets      
Cost 1,426 1,237  
Accumulated Depreciation 808 728  
Net Book Value 618 509  
Furniture, fixtures and leasehold improvements [Member]      
Capital Assets      
Cost 119 119  
Accumulated Depreciation 115 110  
Net Book Value 4 9  
Information technology [Member]      
Capital Assets      
Cost 1,100 1,127  
Accumulated Depreciation 1,072 1,090  
Net Book Value 28 $ 37  
ROU Assets [Member]      
Capital Assets      
Cost 83    
Accumulated Depreciation 71    
Net Book Value $ 12