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Unaudited Quarterly Financial Information (Tables)
 12 Months Ended
Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]  
Unaudited quarterly results of operations
 
 
Quarter Ended
 
 
 
 
March 31
 
 
 
June 30
 
 
 
September 30
 
 
 
December 31
 
 
 
 
(in thousands except per share data)
 
 
Year Ended December 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total revenue
 
$
46,001

 
  
 
$
46,074

 
  
 
$
41,593

 
  
 
$
52,918

 
  
Gross profit
 
17,870

 
  
 
16,600

 
  
 
15,470

 
  
 
18,500

 
  
Net income (loss)
 
319

 
(a) 
 
(1,181
)
 
(b) 
 
(3,292
)
 
(c) 
 
(2,118
)
 
(d) 
Basic and diluted net income (loss) per share
 
$
0.01

 
  
 
$
(0.04
)
 
 
 
$
(0.11
)
 
  
 
$
(0.07
)
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Quarter Ended
 
 
 
 
March 31
 
 
 
June 30
 
 
 
September 30
 
 
 
December 31
 
 
 
 
(in thousands except per share data)
 
 
Year Ended December 31, 2013
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total revenue
 
$
47,748

 
  
 
$
55,610

 
  
 
$
51,197

 
  
 
$
38,979

 
  
Gross profit
 
18,230

 
  
 
21,576

 
  
 
21,113

 
  
 
14,374

 
  
Net income (loss)
 
(278
)
 
(e) 
 
3,405

 
(f) 
 
6,027

 
(g) 
 
(2,814
)
 
(h) 
Basic and diluted net income (loss) per share
 
$
(0.01
)
 
  
 
$
0.12

 
 
 
$
0.21

 
 
 
$
(0.10
)
 
 
_____________

(a)
Includes a non-cash expense for stock-based compensation of $755,000.
(b)
Includes a non-cash expense for stock-based compensation of $1.2 million.
(c)
Includes a non-cash expense for stock-based compensation of $1.0 million.
(d)
Includes a non-cash deferred tax expense of $1.6 million in connection with the probable repatriation of a portion of the unremitted earnings of a foreign subsidiary and a non-cash expense for stock-based compensation of $1.0 million.
(e)
Includes a non-cash expense for stock-based compensation of $1.0 million.
(f)
Includes a non-cash expense for stock-based compensation of $946,000.
(g)
Includes a non-cash expense for stock-based compensation of $719,000.
(h)
Includes a non-cash expense for stock-based compensation of $1.4 million.