Annual report pursuant to Section 13 and 15(d)

Capital Assets (Details)

v3.6.0.2
Capital Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Capital Assets      
Cost $ 38,776 $ 39,067  
Accumulated Depreciation 9,928 8,279  
Net Book Value 28,848 30,788  
Depreciation 5,144 6,504 $ 7,643
Rolling stock [Member]      
Capital Assets      
Cost 3,251 3,819  
Accumulated Depreciation 2,966 3,179  
Net Book Value 285 640  
Building Enclosures [Member]      
Capital Assets      
Cost 32,991 32,987  
Accumulated Depreciation 5,229 3,578  
Net Book Value 27,762 29,409  
Machinery and equipment [Member]      
Capital Assets      
Cost 1,262 1,031  
Accumulated Depreciation 599 507  
Net Book Value 663 524  
Furniture, fixtures and leasehold improvements [Member]      
Capital Assets      
Cost 119 119  
Accumulated Depreciation 98 92  
Net Book Value 21 27  
Information technology [Member]      
Capital Assets      
Cost 1,153 1,111  
Accumulated Depreciation 1,036 923  
Net Book Value 117 188  
Capital Assets [Member]      
Capital Assets      
Depreciation $ 3,800 $ 5,100 $ 6,500