Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v3.8.0.1
Income Taxes (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
UNITED STATES  
Income Tax Loss Carryforwars [Line Items]  
Deferred Tax Assets, Operating Loss Carryforwards, Foreign $ 87,851,252
CANADA  
Income Tax Loss Carryforwars [Line Items]  
Deferred Tax Assets, Operating Loss Carryforwards, Domestic $ 34,520,023