Annual report pursuant to Section 13 and 15(d)

Capital Assets (Details)

v3.10.0.1
Capital Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Capital Assets      
Cost $ 38,906 $ 38,855  
Accumulated Depreciation 13,748 11,894  
Net Book Value 25,158 26,961  
Depreciation expense 1,900 3,500 $ 3,800
Rolling stock [Member]      
Capital Assets      
Cost 3,432 3,388  
Accumulated Depreciation 3,290 3,184  
Net Book Value 142 204  
Building Enclosures [Member]      
Capital Assets      
Cost 32,991 32,991  
Accumulated Depreciation 8,530 6,880  
Net Book Value 24,461 26,111  
Machinery and equipment [Member]      
Capital Assets      
Cost 1,237 1,237  
Accumulated Depreciation 728 663  
Net Book Value 509 574  
Furniture, fixtures and leasehold improvements [Member]      
Capital Assets      
Cost 119 119  
Accumulated Depreciation 110 104  
Net Book Value 9 15  
Information technology [Member]      
Capital Assets      
Cost 1,127 1,120  
Accumulated Depreciation 1,090 1,063  
Net Book Value $ 37 57  
Capital Assets [Member]      
Capital Assets      
Depreciation expense   $ 3,000