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2. Notes payable (Tables)
6 Months Ended
Jun. 30, 2014
Debt Disclosure [Abstract]  
Notes payable
    June 30,
2014
    December 31,
2013
 
             
Bank line-of-credit (a)   $     $  
Notes payable to shareholder/director (b)     192,048       192,048  
Notes payable (c)     2,666,019       1,999,676  
Note payable, Innovisit (d)     220,000       510,000  
Total notes payable     3,078,067       2,701,724  
Less current maturities     1,578,067       (2,601,724 )
Long-term debt   $ 1,500,000     $ 100,000