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Business Description, Basis of Presentation and Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 30, 2012
Accounting Policies [Abstract]  
Changes in Warranty Accrual
The details of changes in the Company’s warranty accrual are as follows:

 
September 30, 2012
 
December 31, 2011
Balance at the beginning of year
$
467

 
$
363

Accruals/additions
234

 
439

Usage
(264
)
 
(335
)
Balance at end of period
$
437

 
$
467
Earnings Per Share
Earnings Per Share – The following table sets forth the computation of basic and diluted earnings per common share:

 
Three months ended September 30,
 
Nine months ended September 30,
 
2012
 
2011
 
2012
 
2011
Numerator:
 
 
 
 
 
 
 
Net income
$
929

 
$
3,375

 
$
1,957

 
$
5,508

Denominator:
 
 
 
 
 
 
 
Basic weighted average shares
9,113,713

 
9,089,919

 
9,106,455

 
9,005,221

Dilutive common stock equivalents using treasury stock method
79,861

 
268,373

 
112,706

 
271,398

Diluted weighted average shares
9,193,574

 
9,358,292

 
9,219,161

 
9,276,619

 
 
 
 
 
 
 
 
Basic earnings per common share:
$
0.10

 
$
0.37

 
$
0.21

 
$
0.61

Diluted earnings per common share:
$
0.10

 
$
0.36

 
$
0.21

 
$
0.59

 
 
 
 
 
 
 
 
Weighted average options outstanding
1,215,747

 
1,067,717

 
1,195,599

 
1,135,514

Anti-dilutive options not included in the computations
799,203

 
374,611

 
799,203

 
374,611