Quarterly report pursuant to Section 13 or 15(d)

Capital Assets (Details)

v3.8.0.1
Capital Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Capital Assets    
Cost $ 38,897 $ 38,855
Accumulated Depreciation 12,359 11,894
Net Book Value 26,538 26,961
Rolling stock [Member]    
Capital Assets    
Cost 3,431 3,388
Accumulated Depreciation 3,211 3,184
Net Book Value 220 204
Building Enclosures [Member]    
Capital Assets    
Cost 32,991 32,991
Accumulated Depreciation 7,292 6,880
Net Book Value 25,699 26,111
Machinery and equipment [Member]    
Capital Assets    
Cost 1,237 1,237
Accumulated Depreciation 679 663
Net Book Value 558 574
Furniture, fixtures and leasehold improvements [Member]    
Capital Assets    
Cost 119 119
Accumulated Depreciation 106 104
Net Book Value 13 15
Information technology [Member]    
Capital Assets    
Cost 1,119 1,120
Accumulated Depreciation 1,071 1,063
Net Book Value $ 48 $ 57