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Changes in Shareholders Equity
6 Months Ended
Jun. 30, 2011
Changes in Shareholders' Equity [Abstract]  
Changes in Shareholders' Equity
3.   Changes in Shareholders’ Equity:
                                         
                    Additional             Total  
    Preferred     Common     Paid-in     Retained     Shareholders’  
    Stock     Stock     Capital     Earnings     Equity  
 
Balance December 31, 2010
  $ 32     $ 2,411     $ 37,045     $ 33,109     $ 72,597  
Issuance of 4,773 common shares for employee stock purchases, stock options exercised and employee stock awards
                    3       66       69  
Share-based compensation, options granted
                            102       102  
Dividends:
                                       
Preferred stock, $5.00 per share
                            (3 )     (3 )
Common stock, $.04 per share
                            (386 )     (386 )
Net loss for the period
                            (1,258 )     (1,258 )
 
Balance June 30, 2011
  $ 32     $ 2,414     $ 37,213     $ 31,462     $ 71,121