Year ended

December 31, 2018

December 31, 2017

December 31, 2016

Net income (loss)

$

62,117,601

$

(7,393,384

)

$

(2,683,482

)

Weighted average number of common shares outstanding - basic

79,979,320

78,002,082

73,874,415

Dilutive effect of stock options and warrants outstanding

674,154

-

Weighted average number of common shares outstanding - diluted

80,653,474

78,002,082

73,874,415

Basic earnings (loss) per share

$

0.78

$

(0.09

)

$

(0.04

)

Diluted earnings (loss) per share

$

0.77

$

(0.09

)

$

(0.04

)