Lease Obligations (Details) $ in Millions		12 Months Ended
	Apr. 30, 2002	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 CAD	Dec. 31, 2015 USD ($)
Schedule of Capital and Operating Leased Assets [Line Items]
Operating Leases, Rent Expense		$ 1.3	$ 1.3	$ 1.7
Sublease income from operating leases				$ 0.1
Term of capital lease (in years)	20 years
Future minimum annual payments due under sale leaseback until April 2017 | CAD					CAD 409,500
Future minimum annual payments due under sale leaseback from May 2017 until April 2022 | CAD					CAD 452,340
Property and Equipment [Member]
Schedule of Capital and Operating Leased Assets [Line Items]
Assets recorded under capital lease obligations			3.3			$ 2.7
Accumulated depreciation related to assets under capital lease obligations			$ 1.8			$ 1.6