XML 21 R31.htm IDEA: XBRL DOCUMENT v2.4.0.8
STOCK-BASED COMPENSATION (Details 2) (USD $)
6 Months Ended
Jun. 30, 2014
Outstanding Options, Number of stock options  
Balance at the beginning of the period (in shares) 309,479
Expired (in shares) (131,250)
Canceled or forfeited (in shares) (14,000)
Balance at the end of the period (in shares) 164,229
Exercisable at the end of the period (in shares) 113,072
Outstanding Options, Weighted Average Exercise Price  
Balance at the beginning of the period (in dollars per share) $ 19.75
Expired (in dollars per share) $ 11.60
Canceled or forfeited (in dollars per share) $ 31.31
Balance at the end of the period (in dollars per share) $ 25.28
Exercisable at the end of the period (in dollars per share) $ 35.20