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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)
In Thousands, except Share data, unless otherwise specified
Common Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Total
Balance at Dec. 31, 2008 $ 233 $ 83,143   $ (28,853) $ 54,523
Balance (in shares) at Dec. 31, 2008 23,281,000           
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of common stock options             
Exercise of common stock options (in shares)           
Issuance of unrestricted stock   60     60
Issuance of unrestricted stock (in shares) 25,000        
Repurchase of common stock (35) (8,915)     (8,950)
Repurchase of common stock (in shares) (3,500,000)        
Issuance of common stock under employee stock purchase plan   7     7
Issuance of common stock under employee stock purchase plan (in shares) 3,000        
Stock-based compensation expense   1,737     1,737
Net income       982 982
Balance at Dec. 31, 2009 198 76,032    (27,870) 48,360
Balance (in shares) at Dec. 31, 2009 19,809,000        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of common stock options    1     1
Exercise of common stock options (in shares) 1,000        
Issuance of unrestricted stock 1       1
Issuance of unrestricted stock (in shares) 111,000        
Issuance of unrestricted stock under a stock option exchange program 2       2
Issuance of unrestricted stock under a stock option exchange program (in shares) 178,000        
Shares surrendered by employees to pay taxes related to unrestricted stock (1) (162)     (163)
Shares surrendered by employees to pay taxes related to unrestricted stock (in shares) (60,000)        
Issuance of common stock under employee stock purchase plan   7     7
Issuance of common stock under employee stock purchase plan (in shares) 3,000        
Stock-based compensation expense   1,495     1,495
Net income       180 180
Balance at Dec. 31, 2010 200 77,373    (27,690) 49,883
Balance (in shares) at Dec. 31, 2010 20,041,863       20,041,863
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of common stock options 6 1,804     1,810
Exercise of common stock options (in shares) 596,000        
Issuance of unrestricted stock 3 (3)      
Issuance of unrestricted stock (in shares) 300,000        
Shares surrendered by employees to pay taxes related to unrestricted stock (1) (223)     (224)
Shares surrendered by employees to pay taxes related to unrestricted stock (in shares) (70,000)        
Repurchase of common stock (2) (733)     (735)
Repurchase of common stock (in shares) (250,000)        
Issuance of common stock under employee stock purchase plan   17     17
Issuance of common stock under employee stock purchase plan (in shares) 5,000        
Stock-based compensation expense   1,277     1,277
Accumulated other comprehensive loss     (20)   (20)
Net income       2,567 2,567
Balance at Dec. 31, 2011 $ 206 $ 79,512 $ (20) $ (25,123) $ 54,575
Balance (in shares) at Dec. 31, 2011 20,622,889       20,622,889