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QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)
 12 Months Ended
Dec. 31, 2017
QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract]  
Quarterly Financial Information
The sum of the earnings per common share may not equal the corresponding annual amounts due to interim quarter rounding.

For the Quarters Ended in Fiscal 2017
 
March 31
  
June 30
  
September 30
  
December 31
 
Total revenues
 
$
6,325,167
  
$
4,114,814
  
$
7,587,374
  
$
5,988,072
 
Gross product margin
  
2,208,212
   
689,099
   
2,067,934
   
1,435,896
 
Net loss
  
(1,615,574
)
  
(2,173,093
)
  
(584,661
)
  
(1,998,432
)
Basic loss per share
  
(0.13
)
  
(0.18
)
  
(0.05
)
  
(0.16
)
Diluted loss per share
  
(0.13
)
  
(0.18
)
  
(0.05
)
  
(0.16
)
                 
For the Quarters Ended in Fiscal 2016
 
March 31
  
June 30
  
September 30
  
December 31
 
Total revenues
 
$
6,601,099
  
$
3,266,405
  
$
3,746,461
  
$
4,254,876
 
Gross product margin
  
2,481,468
   
347,972
   
707,733
   
725,428
 
Net loss
  
(303,590
)
  
(8,347,482
)
  
(2,138,218
)
  
(2,557,757
)
Basic loss per share
  
(0.03
)
  
(0.86
)
  
(0.19
)
  
(0.21
)
Diluted loss per share
  
(0.03
)
  
(0.86
)
  
(0.19
)
  
(0.21
)