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Business Description, Basis of Presentation and Significant Accounting Policies - Summary of Significant Accounting Policies (Tables)
 6 Months Ended
Jun. 30, 2013
Accounting Policies [Abstract]  
Schedule of Product Warranty Liability
The details of changes in the Company’s warranty accrual are as follows:

 
June 30, 2013
 
December 31, 2012
Balance at the beginning of year
$
385

 
$
467

Warranty accruals/additions
232

 
443

Warranty usage
(251
)
 
(525
)
Balance at end of period
$
366

 
$
385
Schedule of Earnings Per Share, Basic and Diluted
Earnings Per Share – The following table sets forth the computation of basic and diluted earnings per common share:

 
Three months ended June 30,
 
Six months ended June 30,
 
2013
 
2012
 
2013
 
2012
Numerator:
 
 
 
 
 
 
 
Net income
$
1,045

 
$
650

 
$
1,775

 
$
1,128

Denominator:
 
 
 
 
 
 
 
Basic weighted average shares outstanding
9,093,461

 
9,107,420

 
9,122,996

 
9,102,786

Dilutive common stock equivalents using treasury stock method
366,034

 
119,006

 
376,456

 
121,941

Diluted weighted average shares outstanding
9,459,495

 
9,226,426

 
9,499,452

 
9,224,727

 
 
 
 
 
 
 
 
Basic earnings per common share
$
0.11

 
$
0.07

 
$
0.19

 
$
0.12

Diluted earnings per common share
$
0.11

 
$
0.07

 
$
0.19

 
$
0.12

 
 
 
 
 
 
 
 
Weighted average options outstanding
1,122,797

 
1,207,302

 
1,125,624

 
1,185,414

Anti-dilutive options not included in the computations
94,789

 
630,737

 
94,789

 
630,737