Quarterly report pursuant to sections 13 or 15(d)

Stock Plans and Non-Qualified Option Agreement (Details)

v2.4.0.6
Stock Plans and Non-Qualified Option Agreement (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Shares [Abstract]    
Options outstanding (in shares) 2,644,000 3,039,833
Granted (in shares) 0 0
Exercised (in shares) 0 0
Forfeited (in shares) (410,000) (422,833)
Options outstanding (in shares) 2,234,000 [1] 2,617,000 [2]
Options exercisable at year end (in shares) 1,846,500 [1] 2,067,000 [2]
Options vested and expected to be vested at end of year (in shares) 2,234,000 2,617,000
Weighted Average Exercise Price [Abstract]    
Options outstanding (in dollars per share) $ 1.96 $ 1.98
Granted (in dollars per share) $ 0 $ 0
Exercised (in dollars per share) $ 0 $ 0
Forfeited (in dollars per share) $ 2.17 $ 1.90
Options outstanding (in dollars per share) $ 1.93 [1] $ 1.99 [2]
Options exercisable (in dollars per share) $ 2.02 [1] $ 2.13 [2]
Options vested and expected to be vested (in dollars per share) $ 1.93 $ 1.99
Weighted Average Remaining Contractual Term [Abstract]    
Options outstanding end of period (in years) 3 years 9 months 18 days [1] 4 years 1 month 6 days [2]
Options exercisable (in years) 3 years 3 months 18 days [1] 3 years 2 months 12 days [2]
Options vested and expected to be vested (in years) 3 years 9 months 18 days 4 years 1 month 6 days
Aggregate Intrinsic Value [Abstract]    
Exercised $ 0 $ 0
Options outstanding end of year 0 [1] 47,100 [2]
Options exercisable 0 [1] 41,100 [2]
Options vested and expected to be vested $ 0 $ 47,100
Options exercise price range, minimum (in dollars per share) $ 1.1 $ 1.41
Options exercise price range, maximum (in dollars per share) $ 2.95 $ 2.95
[1] Options with exercise prices ranging from $1.10 to $2.95
[2] Options with exercise prices ranging from $1.41 to $2.95