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Consolidated Statements Of Stockholders' Equity (USD $)
In Thousands
Class A Common Stock [Member]
Class B Common Stock [Member]
Treasury Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Total
Balances at Dec. 31, 2008 $ 112 $ 287 $ (15,393) $ 299,926 $ (135,624) $ 149,308
Balance, shares at Dec. 31, 2008     (2,580)      
Balances, shares at Dec. 31, 2008 10,959 28,674        
Issuance of common stock upon exercise of stock options       81   81
Issuance of common stock upon exercise of stock options, shares   36        
Income tax benefit (shortfall) of option exercises and restricted stock vesting, net       (1,841)   (1,841)
Issuance of common stock under employee stock purchase plan       39   39
Issuance of common stock under employee stock purchase plan, shares   11        
Issuance of restricted stock to employees   12       12
Issuance of restricted stock to employees, shares   1,178        
Repurchase of Class B common stock     (10,721)     (10,721)
Repurchase of Class B common stock, shares     (2,752)      
Conversion of Class A common stock to Class B common stock (1) 1        
Conversion of Class A common stock to Class B common stock, shares (90) 90        
Repurchase of unvested restricted stock     (2)     (2)
Repurchase of unvested restricted stock, shares     (158)      
Stock compensation from options and restricted stock, net of estimated forfeitures       9,513   9,513
Retirement of treasury stock   (48) 22,911 (22,863)    
Retirement of treasury stock, shares   (4,795) 4,795      
Net income (loss)         (2,062) (2,062)
Common stock cash dividends       (2,902)   (2,902)
Balances at Dec. 31, 2009 111 252 (3,205) 281,953 (137,686) 141,425
Balance, shares at Dec. 31, 2009     (695)      
Balances, shares at Dec. 31, 2009 10,869 25,194        
Issuance of common stock upon exercise of stock options   1   371   372
Issuance of common stock upon exercise of stock options, shares   82        
Income tax benefit (shortfall) of option exercises and restricted stock vesting, net       (537)   (537)
Issuance of common stock under employee stock purchase plan       17   17
Issuance of common stock under employee stock purchase plan, shares   3        
Issuance of restricted stock to employees   14       14
Issuance of restricted stock to employees, shares   1,358        
Repurchase of Class B common stock     (6,534)     (6,534)
Repurchase of Class B common stock, shares     (1,234)      
Conversion of Class A common stock to Class B common stock (6) 6        
Conversion of Class A common stock to Class B common stock, shares (631) 631        
Repurchase of unvested restricted stock     (1)     (1)
Repurchase of unvested restricted stock, shares     (82)      
Stock compensation from options and restricted stock, net of estimated forfeitures       10,795   10,795
Retirement of treasury stock   (18) 8,380 (8,362)    
Retirement of treasury stock, shares   (1,788) 1,788      
Net income (loss)         (3,043) (3,043)
Common stock cash dividends       (2,816)   (2,816)
Balances at Dec. 31, 2010 105 255 (1,360) 281,421 (140,729) 139,692
Balance, shares at Dec. 31, 2010     (223)      
Balances, shares at Dec. 31, 2010 10,238 25,480        
Issuance of common stock upon exercise of stock options   4   1,753   1,757
Issuance of common stock upon exercise of stock options, shares   411        
Income tax benefit (shortfall) of option exercises and restricted stock vesting, net       913   913
Issuance of common stock under employee stock purchase plan       26   26
Issuance of common stock under employee stock purchase plan, shares   4        
Issuance of common stock in connection with acquisition   10   7,593   7,603
Issuance of common stock in connection with acquisition, shares   1,019        
Issuance of restricted stock to employees   11       11
Issuance of restricted stock to employees, shares   1,103        
Issuance of restricted stock to employees as part of acquisitions   5       5
Issuance of restricted stock to employees as part of acquisitions, shares   462        
Repurchase of Class B common stock     (6,159)     (6,159)
Repurchase of Class B common stock, shares     (883)      
Conversion of Class A common stock to Class B common stock (6) 6        
Conversion of Class A common stock to Class B common stock, shares (606) 606        
Repurchase of unvested restricted stock     (1)     (1)
Repurchase of unvested restricted stock, shares     (62)      
Stock compensation from options and restricted stock, net of estimated forfeitures       15,140   15,140
Retirement of treasury stock   (10) 6,453 (6,443)    
Retirement of treasury stock, shares   (1,011) 1,011      
Net income (loss)         2,959 2,959
Common stock cash dividends       (2,938)   (2,938)
Balances at Dec. 31, 2011 $ 99 $ 281 $ (1,067) $ 297,465 $ (137,770) $ 159,008
Balance, shares at Dec. 31, 2011     (157)      
Balances, shares at Dec. 31, 2011 9,632 28,074