Stockholders' deficiency (Details Textual 8)
12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Jan. 25, 2014
Dec. 31, 2013
Subsequent Event [Member]
Dec. 31, 2013
CDN $0.50 warrants
Dec. 31, 2013
Issued as broker warrants
Mar. 01, 2012
Issued as broker warrants
Subsequent Event [Member]
Dec. 31, 2012
Issued as broker warrants
Subsequent Event [Member]
Dec. 31, 2011
Issued as broker warrants
Subsequent Event [Member]
Dec. 31, 2013
Issued as broker warrants
Subsequent Event [Member]
Dec. 31, 2013
Issued as broker warrants
March 1st, 2015
Dec. 31, 2013
Issued as broker warrants
March 1st, 2014
Subsequent Event [Member]
Dec. 31, 2013
Issued for patents
Valent Technologies, LLC
Dec. 31, 2013
Issued for services
Dec. 31, 2013
Issued for services
Installments
Dec. 31, 2013
Investor Warrants
Dec. 31, 2013
Dividend Warrants
Dec. 31, 2013
Dividend Warrants
Until January 24th 2018
Dec. 31, 2013
Placement Agent Warrants
Dec. 31, 2013
Placement Agent Warrants
Until March 6th 2018
Stockholders Equity Note [Line Items]                                    
Exercise price of warrant     1.20 1.20                 1.76   1.25 1.25   0.80
Number of warrants exercisable 20,000                                  
Exercise of CDN $0.50 unit warrants   0.50     0.50 0.50 0.50       0.50 0.50   0.80        
Number of installments for vesting of warrants                         12          
Vesting period of warrant                       12 months            
Exercise period of warrants                           5 years        
Number of warrants expired   2,169,000           100,000 100,000 5,000                
Number of warrants issued                     500,000 345,000         5,250,000