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Shareholders' Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Dec. 22, 2015
Dec. 05, 2015
Nov. 13, 2015
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Balance at the beginning of the period           $ 76,016 $ 70,335
Net income       $ 2,417 $ 1,594 5,204 2,962
Stock Repurchased and Retired During Period, Value       0 (706) 0 (1,872)
Share-based compensation       193 98 648 266
Tax benefit - stock option exercise       20 2 49 92
Dividends       0 0 (639) 0
Stock issued for acquisitions       0 0 0 1,679
Unrealized gain or loss on investments, net of tax       17 (78) (5) 60
Foreign currency translation adjustment       (8) 0 (59) 0
Balance at end of the period       81,406 74,819 81,406 74,819
Subsequent Event [Member] | QuarterlyDividend-Q1 [Member]              
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]              
Common Stock, Dividends, Per Share, Declared     $ 0.05        
Dividends Payable, Date to be Paid Dec. 21, 2015            
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Dividends Payable, Date of Record   Dec. 04, 2015          
Employee Stock [Member]              
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Exercise of stock options       40 0 40 0
Employee Stock Option [Member]              
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Exercise of stock options       $ 62 $ 32 $ 152 $ 1,297