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Business Description, Basis of Presentation and Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2015
Accounting Policies [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable
The Company’s allowance for doubtful accounts activity for the years ended December 31, 2015 and 2014 was as follows:
 
Year Ended December 31,
 
2015
 
2014
Balance at beginning of the year
$
58

 
$
129

Allowance increase (decrease)
36

 
(49
)
Write offs, net of recoveries
(40
)
 
(22
)
Balance at end of the year
$
54

 
$
58
Schedule of Deferred Revenue and Associated Cost of Goods Sold and Gross Profit
The details of deferred revenue and associated cost of goods sold and gross profit are as follows:
 
As of December 31,
 
2015
 
2014
Deferred revenue
$
4,549

 
$
5,004

Deferred cost of goods sold
1,628

 
1,698

Deferred gross profit
$
2,921

 
$
3,306
Schedule of Product Warranty Liability
The details of changes in the Company’s warranty accrual are as follows:
 
Year Ended December 31,
 
2015
 
2014
Balance at the beginning of year
$
331

 
$
338

Accruals/additions
442

 
511

Usage/claims
(485
)
 
(518
)
Balance at end of year
$
288

 
$
331
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:
 
Year Ended December 31,
 
2015
 
2014
Numerator:
 
 
 
Net income
$
6,776

 
$
5,596

Denominator:
 
 
 
Basic weighted average shares
9,127,385

 
9,166,769

Dilutive common stock equivalents using treasury stock method
467,274

 
414,557

Diluted weighted average shares
9,594,659

 
9,581,326

 
 
 
 
Basic earnings per common share:
$
0.74

 
$
0.61

Diluted earnings per common share:
$
0.71

 
$
0.58

 
 
 
 
Weighted average options outstanding
1,053,785

 
975,696

Anti-dilutive options not included in the computation
177,125

 
209,751
Schedule of New Accounting Pronouncements and Changes in Accounting Principles
The quantitative effects of our adoption of this standard in our results and balances for the year ended December 31, 2014 are as follows:

 
December 31, 2014
 
Originally Reported
 
Effect of Adoption
 
Reported Herein
Balance Sheet:
 
 
 
 
 
     Deferred income taxes - current assets
3,824

 
(3,824
)
 
—

     Deferred income taxes - non-current assets
1,265

 
3,824

 
5,089