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Shareholders' Equity and Share-based Payments (Details) (USD $)
 3 Months Ended 0 Months Ended 3 Months Ended 3 Months Ended
Dec. 31, 2013
item
Dec. 31, 2012
Sep. 30, 2013
Apr. 29, 2013
Jan. 25, 2013
Options
Mar. 31, 2013
Options
Dec. 31, 2013
Options
Dec. 31, 2013
1998 Plan
Dec. 31, 2012
1998 Plan
Dec. 31, 2013
Restricted Plan
Dec. 31, 2012
Restricted Plan
Dec. 31, 2013
Restricted Plan
Non-employee directors
item
Dec. 31, 2013
2009 Plan
Dec. 31, 2012
2009 Plan
Dec. 31, 2013
2009 Plan
Non-employee directors
Dec. 31, 2012
2009 Plan
Non-employee directors
Dec. 31, 2013
2009 Plan
Performance-based Award
Employees
Shareholders' Equity and Share-based Payments                                  
Common stock, shares authorized 75,000,000   75,000,000                            
Preferred Stock, shares authorized 10,000,000   10,000,000                            
Share-based compensation                                  
Share-based compensation expense $ 234,000 $ 184,000       $ 22,000   $ 0 $ 10,000 $ 0 $ 0   $ 184,000 $ 124,000 $ 50,000 $ 50,000  
Unrecognized compensation cost, related to non-vested stock options             59,000                    
Excess (shortfall) in income tax benefits related to share-based compensation arrangements (147,000) (10,000)                              
Reduction in applicable option exercise price of each outstanding option (in dollars per share)         $ 1.50                        
Number of share-based compensation plans maintained by the company 3                                
Number of shares of common stock available for awards under the plan                         346,220        
Number of shares of common stock reserved for awards               3,389,000         1,200,000        
Fair market value of annual award of non-vested shares                       40,000          
Number of quarterly installments of shares awards                       4          
Maximum award (in shares)                                 300,000
Stock repurchase program                                  
Maximum number of shares of outstanding common stock approved to acquire under repurchase program       250,000                          
Number of shares of common stock yet to be purchased under the repurchase program 250,000                                
Number of shares of common stock purchased under the repurchase program   175                              
Cost of common stock purchased under the repurchase program   $ 696                              
Average market price of common stock purchased under the repurchase program (in dollars per share)   $ 3.96