XML 53 R23.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock-Based Compensation (Details) (USD $)
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Share-based Compensation [Abstract]    
Stock-based compensation expense related to stock options $ 183,575 $ 100,079
Unrecognized compensation expense related to stock options $ 949,000  
Weighted average recognition period 28 months