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Fair Value of Financial Instruments (Q3)
9 Months Ended 12 Months Ended
Sep. 30, 2018
Dec. 31, 2017
Fair Value of Financial Instruments [Abstract]    
Fair Value of Financial Instruments
Note 3 – Fair Value of Financial Instruments

There were no transfers among Levels 1, 2, or 3 during 2018 or 2017.

 
 
Fair Value Measurements at Reporting Date Using
 
 
 
Total
  
Quoted Prices in
Active Markets
(Level 1)
  
Quoted Prices in
Inactive Markets
(Level 2)
  
Significant
Unobservable Inputs
(Level 3)
 
As of September 30, 2018: (unaudited)
            
Cash and cash equivalents
 
$
36,814,899
  
$
36,814,899
  
$
  
$
 
 
                
As of December 31, 2017:
                
Cash and cash equivalents
 
$
88,067,647
  
$
88,067,647
  
$
  
$
 
Note 3 – Fair Value of Financial Instruments

  
Fair Value Measurements at Reporting Date Using
 
  
Total
  
Quoted Prices in
Active Markets
(Level 1)
  
Quoted Prices in
Inactive Markets
(Level 2)
  
Significant
Unobservable Inputs
(Level 3)
 
As of December 31, 2017:
            
Cash and cash equivalents
 
$
88,067,647
  
$
88,067,647
  
$
-
  
$
-
 
                 
As of December 31, 2016:
                
Cash and cash equivalents
 
$
106,398,919
  
$
106,398,919
  
$
-
  
$
-
 

There were no transfers between Levels 1, 2, or 3 during 2017 or 2016.