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Selected Quarterly Financial Data (Tables)
12 Months Ended
Dec. 31, 2018
Selected Quarterly Financial Data  
Selected quarterly unaudited financial data

 

Summarized unaudited quarterly financial data for each of the calendar years 2018 and 2017 is as follows:

   Comparable Period by Quarter Ended
   March 31  June 30  September 30  December 31
Calendar Year 2018            
Total revenues  $8,806,891   $8,643,452   $8,161,034   $8,001,419 
Income (loss) before taxes  $(2,811,931)  $287,032   $(812,141)  $(589,752)
Net income (loss)  $(2,207,251)  $168,297   $(661,925)  $(468,680)
Income (loss) per share: Basic  $(0.42)  $0.03   $(0.12)  $(0.09)
Income (loss) per share: Diluted  $(0.42)  $0.03   $(0.12)  $(0.09)
                     
Calendar Year 2017                    
Total revenues  $8,960,497   $9,241,306   $9,293,389   $9,296,290 
Loss before taxes  $(3,267,349)  $(1,350,826)  $(4,435,225)  $(826,821)
Net loss  $(2,147,252)  $(890,735)  $(2,927,249)  $(2,759,748)
Loss per share: Basic  $(0.40)  $(0.17)  $(0.55)  $(0.52)
Loss per share: Diluted  $(0.40)  $(0.17)  $(0.55)  $(0.52)