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Quaterly Financial Information (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Information
Summarized quarterly data for fiscal 2013 and 2012 are as follows (in thousands, except per share data):
 
 
1st
Quarter
 
2nd
Quarter
 
3rd
Quarter
 
4th
Quarter
Fiscal 2013
 
 
 
 
 
 
 
 
Revenues
 
$
11,546

 
$
12,890

 
$
12,413

 
$
12,527

Gross profit
 
$
2,817

 
$
3,793

 
$
3,818

 
$
3,688

Income (loss) from operations (1)
 
$
(2,409
)
 
$
(632
)
 
$
2,432

 
$
780

Net income (loss)
 
$
(2,419
)
 
$
(616
)
 
$
2,512

 
$
787

Net income (loss) per common share—basic (2)
 
$
(0.13
)
 
$
(0.03
)
 
$
0.14

 
$
0.04

Net income (loss) per common share—diluted (2)
 
$
(0.13
)
 
$
(0.03
)
 
$
0.14

 
$
0.04

 
 
 
 
 
 
 
 
 
Fiscal 2012
 
 
 
 
 
 
 
 
Revenues
 
$
12,969

 
$
12,710

 
$
11,817

 
$
13,017

Gross profit
 
$
3,672

 
$
3,681

 
$
3,129

 
$
2,610

Loss from operations
 
$
(1,282
)
 
$
(906
)
 
$
(1,067
)
 
$
(1,843
)
Net loss
 
$
(1,268
)
 
$
(891
)
 
$
(906
)
 
$
(1,859
)
Net loss per common share—basic and diluted (2)
 
$
(0.07
)
 
$
(0.05
)
 
$
(0.05
)
 
$
(0.10
)
(1) 
Included in the income (loss) from operations for the first, second, third, and fourth quarter of 2013, are approximately $1.0 million, $0.6 million, $0.1 million, and less than $0.1 million of charges, respectively, associated with our Diagnostic Imaging restructuring initiative (See Note 10), as well as a gain of approximately $1.6 million in the third quarter of 2013 associated with the sale of assets and licensing agreement from an uncommercialized surgical imaging system previously in development (See Note 11).
(2) 
Earnings per share are computed independently for each of the quarters presented. Therefore, the sum of the quarterly net earnings per share will not necessarily equal the total for the year.