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Supplemental disclosure of non-cash operating and financing activities: (USD $)
 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Consultant [Member]
Sep. 30, 2013
Directors [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)   11,250 30,000
Stock Issued During Period, Value, Issued for Services   $ 102,000 $ 150,000
Warrants Authorized For Issuance To Acquire Common Stock Value $ 92,000    
Warrants Authorized For Issuance To Acquire Common Stock Shares Number 20,313    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 10,000    
Shares Issued, Price Per Share $ 2.20    
Sale of Stock, Price Per Share $ 8.93    
Stock Issued During Period, Shares, Other 7,537