Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details Textual)

v3.10.0.1
Income Taxes (Details Textual)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2018
USD ($)
Dec. 31, 2017
Sep. 30, 2017
USD ($)
Sep. 30, 2018
CAD ($)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   27.00%   26.00%  
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   $ 1,132,300   $ (2,119,700)  
Domestic Tax Authority [Member]          
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%   35.00%    
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   2,950,000      
Foreign Tax Authority [Member]          
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   40,000      
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent 12.00%   11.00%    
Federal [Member]          
Operating Loss Carryforwards $ 29,600,000 $ 29,600,000      
Federal [Member] | Earliest Tax Year [Member]          
Operating Loss Carryforwards, Expiration Date   Dec. 31, 2030      
Federal [Member] | Latest Tax Year [Member]          
Operating Loss Carryforwards, Expiration Date   Dec. 31, 2038      
Federal [Member] | Research Tax Credit Carryforward [Member]          
Tax Credit Carryforward, Amount 530,000 $ 530,000      
Federal [Member] | Research Tax Credit Carryforward [Member] | Earliest Tax Year [Member]          
Operating Loss Carryforwards, Expiration Date   Dec. 31, 2030      
Federal [Member] | Research Tax Credit Carryforward [Member] | Latest Tax Year [Member]          
Operating Loss Carryforwards, Expiration Date   Dec. 31, 2038      
California [Member]          
Operating Loss Carryforwards 29,200,000 $ 29,200,000      
California [Member] | Research Tax Credit Carryforward [Member]          
Tax Credit Carryforward, Amount $ 580,000 $ 580,000      
Canadian [Member]          
Operating Loss Carryforwards         $ 8.7
Canadian [Member] | Latest Tax Year [Member]          
Operating Loss Carryforwards, Expiration Date   Dec. 31, 2038