Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Narrative) (Details)

v2.4.0.6
Stock-Based Compensation (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2011
years
Dec. 31, 2010
Dec. 31, 2009
Stock-Based Compensation [Abstract]      
Stock-based compensation expense $ 1,287,000 $ 492,000 $ 529,000
Capitalized stock-based compensation 515,000 197,000 212,000
Unrecognized compensation expense $ 4,819,000    
Weighted average period 2.10