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EARNINGS (LOSS) PER SHARE (Tables)
 12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Schedule of earnings per share, basic and diluted
A reconciliation of the numerators and denominators of the basic and diluted earnings (loss) per share calculations were as follows:
 
 
Year Ended
 
 
December 31,
 
 
2012
 
2011
 
2010
Earnings (loss) per share ("EPS"):
 
 

 
 

 
 
Basic
 
 
 
 
 
 
Income (loss) from continuing operations
 
$
(0.17
)
 
$
0.35

 
$
(0.15
)
Income (loss) from discontinued operations
 
—

 
—

 
(0.01
)
Net income (loss) - basic EPS
 
$
(0.17
)
 
$
0.35

 
$
(0.16
)
Diluted
 
 
 
 
 
 
Income (loss) from continuing operations
 
$
(0.17
)
 
$
0.34

 
$
(0.15
)
Income (loss) from discontinued operations
 
—

 
—

 
(0.01
)
Net income (loss) - diluted EPS
 
$
(0.17
)
 
$
0.34

 
$
(0.16
)
EPS numerator - basic and diluted:
 
 

 
 
 
 
Income (loss) from continuing operations
 
$
(5,335
)
 
$
10,909

 
$
(4,441
)
Income (loss) from discontinued operations, net of income taxes
 
—

 
—

 
(244
)
Net income (loss)
 
$
(5,335
)
 
$
10,909

 
$
(4,685
)
EPS denominator (in thousands):
 
 

 
 
 
 
Weighted average common stock outstanding - basic
 
32,060

 
31,566

 
29,931

Common stock equivalents: stock options and other stock-based awards (a)
 
—

 
423

 
—

Weighted average number of common stock outstanding - diluted
 
32,060

 
31,989

 
29,931


(a)
For the periods in which net losses are presented, the diluted weighted average number of shares of common stock outstanding did not differ from the basic weighted average number of shares of common stock outstanding because the effects of any potential common stock equivalents (see Note 4 for further details on outstanding stock options, unvested restricted stock units and unvested restricted stock) were anti-dilutive and therefore not included in the calculation of the denominator of dilutive earnings per share.
Schedule of antidilutive securities excluded from computation of earnings per share
The weighted average number of shares outstanding used in the computation of diluted net income (loss) per share for the years ended December 31, 2012, 2011 and 2010 did not include the effect of the following potentially outstanding shares of common stock because the effect would have been anti-dilutive:
 
 
Year Ended
 
 
December 31,
 
 
2012
 
2011
 
2010
Unvested restricted stock
 
1,028,916

 
104,175

 
1,034,597

Unvested restricted stock units
 
100,000

 
—

 
—

Stock options
 
1,238,650

 
1,396,350

 
1,548,300

Total
 
2,367,566

 
1,500,525

 
2,582,897