XML 38 R36.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock Incentive Plans and Warrants (Details) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum number of shares of common stock authorized (in shares) 9,778,571 9,778,571    
Percentage of combined voting power (in hundredths)   10.00%    
Minimum percentage of fair market value will be exercise price for combined stock holders (in hundredths)   110.00%    
Number of Shares [Abstract]        
Available for future issuances under the plans (in shares) 2,932,308 2,932,308    
Number of Shares [Abstract]        
Granted (in shares)   393,000 470,250 307,000
Information about stock appreciation rights by exercise price range [Abstract]        
Warrants outstanding (in shares) 0 0    
Total intrinsic value of warrants exercised $ 0 $ 0 $ 0 $ 81,275
Shares of common stock reserved (in shares) 2,932,308 2,932,308    
Stock Incentive Plans [Member]
       
Number of Shares [Abstract]        
Available for future issuances under the plans (in shares) 2,468,777 2,468,777    
Information about stock appreciation rights by exercise price range [Abstract]        
Shares of common stock reserved (in shares) 2,468,777 2,468,777    
Employee 401(k) plan [Member]
       
Number of Shares [Abstract]        
Available for future issuances under the plans (in shares) 463,531 463,531    
Information about stock appreciation rights by exercise price range [Abstract]        
Shares of common stock reserved (in shares) 463,531 463,531    
Stock Options [Member]
       
Number of Shares [Abstract]        
Granted (in shares)   0    
Vested and expected to vest (in shares) 2,366,368 2,366,368    
Available for future issuances under the plans (in shares) 62,589 62,589    
Exercise Price [Abstract]        
Granted (in dollars per share)   $ 0    
Weighted Average Exercise Price [Roll Forward]        
Outstanding (in dollars per share)   $ 13.90    
Granted (in dollars per share)   $ 0    
Exercised (in dollars per share)   $ 1.70    
Cancelled (in dollars per share)   $ 14.64    
Outstanding (in dollars per share) $ 14.02 $ 14.02 $ 13.90  
Exercisable (in dollars per share) $ 14.02 $ 14.02    
Vested and expected to vest (in dollars per share) $ 14.02 $ 14.02    
Weighted Average Remaining Contractual Term [Abstract]        
Outstanding   4 years 7 months 17 days    
Exercisable   3 years 8 months 23 days    
Vested and expected to vest   3 years 8 months 23 days    
Aggregate Intrinsic Value [Abstract]        
Outstanding     596,136  
Exercisable 263,652 263,652    
Vested and expected to vest 263,652 263,652    
Total intrinsic value for options exercised   281,600 1,100,408 263,413
Information about stock options by exercise price range [Abstract]        
Options Outstanding (in shares) 2,366,368 2,366,368    
Weighted Average Remaining Contractual Life   3 years 8 months 23 days    
Weighted Average Exercise Price (in dollars per share) $ 14.02 $ 14.02    
Options Exercisable (in shares) 2,366,368 2,366,368    
Options Exercisable, Weighted Average Exercise Price (in dollars per share) $ 14.02 $ 14.02    
Unamortized stock-based compensation expense related to options 0 0    
Information about stock appreciation rights by exercise price range [Abstract]        
Shares of common stock reserved (in shares) 62,589 62,589    
Stock Options [Member] | $0.90 - $24.63 [Member]
       
Number of Shares [Abstract]        
Outstanding at end of period (in shares)     2,665,562  
Stock Options [Member] | $0.90 - $5.05 [Member]
       
Number of Shares [Abstract]        
Exercised (in shares)   (40,000)    
Stock Options [Member] | $9.15 - $16.53 [Member]
       
Number of Shares [Abstract]        
Cancelled (in shares)   (259,194)    
Stock Options [Member] | $4.08 - $24.63 [Member]
       
Number of Shares [Abstract]        
Outstanding at end of period (in shares) 2,366,368 2,366,368    
Exercisable (in shares) 2,366,368 2,366,368    
Stock Options [Member] | $4.08 - $10.72 [Member]
       
Information about stock options by exercise price range [Abstract]        
Options Outstanding (in shares) 253,376 253,376    
Weighted Average Remaining Contractual Life   5 years 4 months 20 days    
Weighted Average Exercise Price (in dollars per share) $ 8.17 $ 8.17    
Options Exercisable (in shares) 253,376 253,376    
Options Exercisable, Weighted Average Exercise Price (in dollars per share) $ 8.17 $ 8.17    
Stock Options [Member] | $13.31 - $13.31 [Member]
       
Information about stock options by exercise price range [Abstract]        
Options Outstanding (in shares) 1,222,500 1,222,500    
Weighted Average Remaining Contractual Life   5 years 1 month 6 days    
Weighted Average Exercise Price (in dollars per share) $ 13.31 $ 13.31    
Options Exercisable (in shares) 1,222,500 1,222,500    
Options Exercisable, Weighted Average Exercise Price (in dollars per share) $ 13.31 $ 13.31    
Stock Options [Member] | $13.66 - $24.63 [Member]
       
Information about stock options by exercise price range [Abstract]        
Options Outstanding (in shares) 890,492 890,492    
Weighted Average Remaining Contractual Life   1 year 4 months 17 days    
Weighted Average Exercise Price (in dollars per share) $ 16.67 $ 16.67    
Options Exercisable (in shares) 890,492 890,492    
Options Exercisable, Weighted Average Exercise Price (in dollars per share) $ 16.67 $ 16.67    
Stock Options [Member] | Minimum [Member] | $0.90 - $24.63 [Member]
       
Exercise Price [Abstract]        
Outstanding (in dollars per share)     $ 0.90  
Stock Options [Member] | Minimum [Member] | $0.90 - $5.05 [Member]
       
Exercise Price [Abstract]        
Exercised (in dollars per share)   $ 0.90    
Stock Options [Member] | Minimum [Member] | $9.15 - $16.53 [Member]
       
Exercise Price [Abstract]        
Cancelled (in dollars per share)   $ 9.15    
Stock Options [Member] | Minimum [Member] | $4.08 - $24.63 [Member]
       
Exercise Price [Abstract]        
Outstanding (in dollars per share) $ 4.08 $ 4.08    
Exercisable (in dollars per share) $ 4.08 $ 4.08    
Stock Options [Member] | Minimum [Member] | $4.08 - $10.72 [Member]
       
Information about stock options by exercise price range [Abstract]        
Lower Range Limit (in dollars per share)   $ 4.08    
Stock Options [Member] | Minimum [Member] | $13.31 - $13.31 [Member]
       
Information about stock options by exercise price range [Abstract]        
Lower Range Limit (in dollars per share)   $ 13.31    
Stock Options [Member] | Minimum [Member] | $13.66 - $24.63 [Member]
       
Information about stock options by exercise price range [Abstract]        
Lower Range Limit (in dollars per share)   $ 13.66    
Stock Options [Member] | Maximum [Member] | $0.90 - $24.63 [Member]
       
Exercise Price [Abstract]        
Outstanding (in dollars per share)     $ 24.63  
Stock Options [Member] | Maximum [Member] | $0.90 - $5.05 [Member]
       
Exercise Price [Abstract]        
Exercised (in dollars per share)   $ 5.05    
Stock Options [Member] | Maximum [Member] | $9.15 - $16.53 [Member]
       
Exercise Price [Abstract]        
Cancelled (in dollars per share)   $ 16.53    
Stock Options [Member] | Maximum [Member] | $4.08 - $24.63 [Member]
       
Exercise Price [Abstract]        
Outstanding (in dollars per share) $ 24.63 $ 24.63    
Exercisable (in dollars per share) $ 24.63 $ 24.63    
Stock Options [Member] | Maximum [Member] | $4.08 - $10.72 [Member]
       
Information about stock options by exercise price range [Abstract]        
Upper Range Limit (in dollars per share)   $ 10.72    
Stock Options [Member] | Maximum [Member] | $13.31 - $13.31 [Member]
       
Information about stock options by exercise price range [Abstract]        
Upper Range Limit (in dollars per share)   $ 13.31    
Stock Options [Member] | Maximum [Member] | $13.66 - $24.63 [Member]
       
Information about stock options by exercise price range [Abstract]        
Upper Range Limit (in dollars per share)   $ 24.63    
Stock Appreciation Rights (SARs) [Member]
       
Information about stock options by exercise price range [Abstract]        
Conversion price percentage (in hundredths)   50.00%    
Vesting period   4 years    
Vesting period description   one-third vesting on the second, third, and fourth anniversaries of the date of grant    
Total unamortized stock-based compensation expense 100,000 100,000    
Weighted average period for recognition of unamortized stock-based compensation expense   10 months 24 days    
Number of Shares [Abstract]        
Nonvested at beginning of period (in shares)   248,239    
Granted (in shares)   0 0 8,000
Vested/Converted (in shares)   (164,317)    
Cancelled/Expired (in shares)   (15,263)    
Nonvested at end of period (in shares) 68,659 68,659 248,239  
Vested (in shares) 0 0    
Weighted Average Conversion Price [Abstract]        
Outstanding at beginning of period (in dollars per share)   $ 6.34    
Granted (in dollars per share)   $ 0    
Converted (in dollars per share)   $ 6.79    
Cancelled/Expired (in dollars per share)   $ 6.97    
Outstanding at end of period (in dollars per share) $ 5.12 $ 5.12 $ 6.34  
Vested (in dollars per share) $ 0 $ 0    
Weighted Average Remaining Contractual Term [Abstract]        
Outstanding   10 months 13 days 1 year 2 months 1 day  
Vested   0 years 0 months    
Aggregate Intrinsic Value [Abstract]        
Outstanding at beginning of period   734,728    
Outstanding at end of period 280,506 280,506 734,728  
Vested 0 0    
Stock Appreciation Rights (SARs) [Member] | $5.03 - $5.03 [Member]
       
Information about stock appreciation rights by exercise price range [Abstract]        
SARs Outstanding (in shares) 5,333 5,333    
Weighted Average Remaining Contractual Life   11 months 1 day    
Weighted Average Conversion Price (in dollars per share) $ 5.03 $ 5.03    
Stock Appreciation Rights (SARs) [Member] | $5.13 - $5.60 [Member]
       
Information about stock appreciation rights by exercise price range [Abstract]        
SARs Outstanding (in shares) 63,326 63,326    
Weighted Average Remaining Contractual Life   10 months 10 days    
Weighted Average Conversion Price (in dollars per share) $ 5.13 $ 5.13    
Stock Appreciation Rights (SARs) [Member] | $5.03 - $5.60 [Member]
       
Information about stock appreciation rights by exercise price range [Abstract]        
SARs Outstanding (in shares) 68,659 68,659    
Weighted Average Remaining Contractual Life   10 months 13 days    
Weighted Average Conversion Price (in dollars per share) $ 5.12 $ 5.12    
Stock Appreciation Rights (SARs) [Member] | Minimum [Member] | $5.03 - $5.03 [Member]
       
Information about stock appreciation rights by exercise price range [Abstract]        
Lower Range Limit (in dollars per share)   $ 5.03    
Stock Appreciation Rights (SARs) [Member] | Minimum [Member] | $5.13 - $5.60 [Member]
       
Information about stock appreciation rights by exercise price range [Abstract]        
Lower Range Limit (in dollars per share)   $ 5.13    
Stock Appreciation Rights (SARs) [Member] | Minimum [Member] | $5.03 - $5.60 [Member]
       
Information about stock appreciation rights by exercise price range [Abstract]        
Lower Range Limit (in dollars per share)   $ 5.03    
Stock Appreciation Rights (SARs) [Member] | Maximum [Member] | $5.03 - $5.03 [Member]
       
Information about stock appreciation rights by exercise price range [Abstract]        
Upper Range Limit (in dollars per share)   $ 5.03    
Stock Appreciation Rights (SARs) [Member] | Maximum [Member] | $5.13 - $5.60 [Member]
       
Information about stock appreciation rights by exercise price range [Abstract]        
Upper Range Limit (in dollars per share)   $ 5.60    
Stock Appreciation Rights (SARs) [Member] | Maximum [Member] | $5.03 - $5.60 [Member]
       
Information about stock appreciation rights by exercise price range [Abstract]        
Upper Range Limit (in dollars per share)   $ 5.60    
Restricted Stock Units [Member]
       
Information about stock options by exercise price range [Abstract]        
Vesting period   4 years    
Vesting period description one-quarter vesting on each of the next four anniversaries of the date of grant      
Total unamortized stock-based compensation expense 0 0 300,000 0
Weighted average period for recognition of unamortized stock-based compensation expense   0 years 0 days 1 year 8 months 12 days 0 years 0 days
Number of Shares [Abstract]        
Nonvested at beginning of period (in shares)   45,000    
Granted (in shares)   0 45,000 0
Vested/Converted (in shares)   (11,250)    
Cancelled/Expired (in shares)   0    
Nonvested at end of period (in shares) 33,750 33,750 45,000  
Weighted Average Grant Date Fair Value [Abstract]        
Nonvested at beginning of period (in dollars per share)   $ 10.05    
Granted (in dollars per share)   $ 0    
Vested (in dollars per share)   $ 10.05    
Cancelled (in dollars per share)   $ 0    
Nonvested at end of period (in dollars per share) $ 10.05 $ 10.05 $ 10.05  
Restricted Stock Awards [Member]
       
Information about stock options by exercise price range [Abstract]        
Vesting period   4 years    
Vesting period description   one-quarter vesting on each of the next four anniversaries of the date of grant    
Total unamortized stock-based compensation expense $ 3,800,000 $ 3,800,000 $ 2,500,000 $ 1,700,000
Weighted average period for recognition of unamortized stock-based compensation expense   2 years 4 months 24 days 1 year 9 months 18 days 1 year 6 months
Number of Shares [Abstract]        
Nonvested at beginning of period (in shares)   700,499    
Granted (in shares)   393,000 470,250 307,000
Vested/Converted (in shares)   (176,813)    
Cancelled/Expired (in shares)   (64,750)    
Nonvested at end of period (in shares) 851,936 851,936 700,499  
Weighted Average Grant Date Fair Value [Abstract]        
Nonvested at beginning of period (in dollars per share)   $ 9.70    
Granted (in dollars per share)   $ 8.97    
Vested (in dollars per share)   $ 10.00    
Cancelled (in dollars per share)   $ 9.70    
Nonvested at end of period (in dollars per share) $ 9.30 $ 9.30 $ 9.70  
Performance-based Shares [Member]
       
Information about stock options by exercise price range [Abstract]        
Vesting period description   If the Company's consolidated revenue exceeds $100 million (the "Target") for any trailing four quarter period between January 1, 2013 and December 31, 2016, the PBRSAs will vest on the date which is the earlier of (i) the quarterly financial earnings release for the quarter that the Target has been achieved or (ii) a determination by the Audit Committee of the Board of Directors that the Target has been achieved.    
Number of Shares [Abstract]        
Granted (in shares)   80,000 0 0