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Computation of Per Share Amounts (Tables)
 12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table presents the calculation of basic and diluted earnings per share (in thousands, except per share data):
 
Year Ended December 31,
 
2012
 
2011
 
2010
 
 
 
 
 
 
Income (loss) from continuing operations
1,805

 
(3,447
)
 
(4,259
)
Income (loss) from discontinued operations, net of tax
12,102

 
1,932

 
(595
)
Net income (loss)
$
13,907

 
$
(1,515
)
 
$
(4,854
)
 
 
 
 
 
 
Weighted average shares - basic
6,466

 
6,319

 
6,073

  Dilutive effect of stock-based awards
90

 
—

 
—

Weighted average shares - dilutive
6,556

 
6,319

 
6,073

 
 
 
 
 
 
Income (loss) per share from continuing operations:
 
 
 
 
 
Basic
$
0.28

 
$
(0.55
)
 
$
(0.70
)
Diluted
$
0.28

 
$
(0.55
)
 
$
(0.70
)
 
 
 
 
 
 
Income (loss) per share from discontinued operations:
 
 
 
 
 
Basic
$
1.87

 
$
0.31

 
$
(0.10
)
Diluted
$
1.85

 
$
0.31

 
$
(0.10
)
 
 
 
 
 
 
Net income (loss) per share:
 
 
 
 
 
Basic
$
2.15

 
$
(0.24
)
 
$
(0.80
)
  Diluted
$
2.12

 
$
(0.24
)
 
$
(0.80
)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
The following potential common shares have been excluded from the calculation of diluted earnings per share for all periods presented because they are anti-dilutive (in thousands):
 
Year Ended December 31,
 
2012
 
2011
 
2010
Anti-dilutive securities:
 
 
 
 
 
Options to purchase common stock
232

 
192

 
537

Unvested restricted stock units
114

 
174

 
8

Total
346

 
366

 
545