Quarterly report pursuant to Section 13 or 15(d)

Capital Assets (Details)

v3.10.0.1
Capital Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Capital Assets    
Cost $ 38,900 $ 38,855
Accumulated Depreciation 12,828 11,894
Net Book Value 26,072 26,961
Rolling stock [Member]    
Capital Assets    
Cost 3,432 3,388
Accumulated Depreciation 3,239 3,184
Net Book Value 193 204
Building Enclosures [Member]    
Capital Assets    
Cost 32,991 32,991
Accumulated Depreciation 7,705 6,880
Net Book Value 25,286 26,111
Machinery and equipment [Member]    
Capital Assets    
Cost 1,237 1,237
Accumulated Depreciation 696 663
Net Book Value 541 574
Furniture, fixtures and leasehold improvements [Member]    
Capital Assets    
Cost 119 119
Accumulated Depreciation 107 104
Net Book Value 12 15
Information technology [Member]    
Capital Assets    
Cost 1,121 1,120
Accumulated Depreciation 1,081 1,063
Net Book Value $ 40 $ 57