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14. Geographical Information (Tables)
12 Months Ended
Dec. 31, 2014
Segment Reporting [Abstract]  
Revenues geographic breakdown
   For the years ended
December 31,
 
   2014   2013 
United States  $24,917,000   $22,480,000 
Canada   1,129,000    1,269,000 
Total revenue  $26,046,000   $23,749,000 
Asset geographic breakdown
   As of December 31, 
   2014   2013 
United States  $3,362,000   $3,220,000 
Canada   38,000    17,000 
Total assets  $3,400,000   $3,237,000