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Income (loss) Per Common Share
3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Income (loss) Per Common Share
Income (loss) Per Common Share
Basic and diluted income (loss) per share for the three months ended March 31, 2019 and 2018, respectively, were as follows: 
 
 
Three months ended March 31,
 
 
2019
 
2018
Net income (loss) attributable to stockholders
 
$
(3,280,077
)
 
$
20,759

Weighted average shares outstanding - Basic
 
24,818,979

 
24,803,527

Basic income (loss) per share
 
$
(0.13
)
 
$
0.00

Weighted average shares outstanding - Diluted
 
24,818,979

 
24,881,185

Diluted income (loss) per share
 
$
(0.13
)
 
$
0.00

Anti-dilutive shares underlying stock options outstanding
 

 
77,658