XML 17 R28.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-Based Compensation (Details Narrative) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Notes to Financial Statements        
Stock-based compensation expense $ 185,527 $ 181,658 $ 363,460 $ 360,161
Stock options granted (in shares) 64,000   215,300  
Estimated weighted average per share fair value $ 1.28   $ 1.29