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Income (loss) per share (Tables)
6 Months Ended
Jun. 30, 2019
Earnings Per Share [Abstract]  
Schedule of Basic and Diluted Earnings (Loss) Per Share
For the three and six months ended June 30, 2019 and 2018, basic and diluted income (loss) per share was as follows:
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In thousands, except share data)
 
2019
 
2018
 
2019
 
2018
Numerator:
 
 
 
 

 
 
 
 
Net income (loss) from continuing operations
 
$
715

 
$
2,645

 
$
1,760

 
$
(2,913
)
Net loss from discontinued operations
 

 

 

 
(21,124
)
Net income (loss)
 
$
715

 
$
2,645

 
$
1,760

 
$
(24,037
)
Denominator:
 
 

 
 

 
 
 
 
Weighted average shares outstanding
 
76,487,160

 
75,282,042

 
76,056,652

 
71,318,930

Weighted average restricted shares vested not delivered
 
2,901,223

 
2,914,917

 
3,240,947

 
3,566,816

Total basic weighted average shares outstanding
 
79,388,383

 
78,196,959

 
79,297,599

 
74,885,746

Dilutive effect of assumed conversion of restricted stock units
 
1,408,277

 

 
882,263

 

Dilutive effect of assumed conversion of warrants
 
329,808

 

 
262,567

 

Dilutive effect of assumed conversion of stock options
 
5,836

 

 
1,101

 

Total weighted average diluted shares outstanding
 
81,132,304

 
78,196,959

 
80,443,530

 
74,885,746

Basic and diluted income (loss) per share: (1)
 
 

 
 

 
 
 
 
Basic:
 
 
 
 
 
 
 
 
Continuing operations
 
$
0.01

 
$
0.03

 
$
0.02

 
$
(0.04
)
Discontinued operations
 
$

 
$

 
$

 
$
(0.28
)
Net income (loss)
 
$
0.01

 
$
0.03

 
$
0.02

 
$
(0.32
)
Diluted:
 
 
 
 
 
 
 
 
Continuing operations
 
$
0.01

 
$
0.03

 
$
0.02

 
$
(0.04
)
Discontinued operations
 
$

 
$

 
$

 
$
(0.28
)
Net income (loss)
 
$
0.01

 
$
0.03

 
$
0.02

 
$
(0.32
)
 
(1)Income (loss) per share tables may contain summation differences due to rounding.
Schedule of Antidilutive Securities Excluded from Computation of Earnings (Loss) per Share
The following potentially dilutive securities were excluded from the calculation of diluted income (loss) per share, as their effects would have been anti-dilutive for the periods presented:
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
2019
 
2018
 
2019
 
2018
Restricted stock units
 
110,000

 
3,750,003

 
1,740,502

 
6,664,920

Stock options
 
2,060,000

 
2,623,776

 
2,060,000

 
2,623,776

Warrants
 
1,350,000

 
137,000

 
1,350,000

 
137,000

Total anti-dilutive securities
 
3,520,000

 
6,510,779

 
5,150,502

 
9,425,696