XML 19 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
SHARE-BASED COMPENSATION (Share-Based Compensation) (Details) (USD $)
6 Months Ended
Jun. 30, 2011
SHARE-BASED COMPENSATION [Abstract]  
Expected life of share-based awards (in Years) 2 years 6 months
Dividend yield of share-based awards (in Percent) 0.00%
Expected volatility of share-based awards (in Percent) 93.60%
Risk free interest rates of share-based awards, minimum (in Percent) 85.00%
Risk free interest rates of share-based awards, maximum (in Percent) 1.105%
Weighted average fair value of options at grant date $ 0.48