Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

v2.4.0.8
Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
item
Dec. 31, 2012
Dec. 31, 2011
Numerator:                      
Net income $ 2,503 $ 1,330 $ 1,540 $ 1,020 $ 1,804 $ 1,352 $ 1,304 $ 1,029 $ 6,393 $ 5,489 $ 5,539
Denominator:                      
Weighted average shares (Basic)                 4,454 4,476 4,412
Dilutive effect of outstanding options and nonvested shares of restricted stock (in shares)                 72 152 194
Weighted average shares including assumed conversions (Diluted)                 4,526 4,628 4,606
Basic net income per share (in dollars per share) $ 0.56 $ 0.30 $ 0.35 $ 0.23 $ 0.40 $ 0.30 $ 0.29 $ 0.23 $ 1.44 $ 1.23 $ 1.26
Diluted net income per share (in dollars per share) $ 0.55 $ 0.29 $ 0.34 $ 0.22 $ 0.39 $ 0.29 $ 0.28 $ 0.22 $ 1.41 $ 1.19 $ 1.20
Allowance for Doubtful Accounts Receivable                      
Write-offs on extended payment terms sales transactions as percentage of net sales                 0.00% 0.033% 0.003%
Concentration of Credit Risk                      
Marketable securities in insured certificates of deposit 0       4,411       0 4,411  
Revenue Recognition                      
Number of criteria                 4    
Additional cost to obtain technical support directly from the software publisher and upgrade to latest technology                 $ 0    
Equipment | Minimum
                      
Equipment and leasehold improvements                      
Useful lives of assets                 3 years    
Equipment | Maximum
                      
Equipment and leasehold improvements                      
Useful lives of assets                 5 years