XML 35 R50.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value Measurements (Details 2) (Using Significant Unobservable Inputs (Level 3) [Member], USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Using Significant Unobservable Inputs (Level 3) [Member]
   
Change in fair value of the financial assets    
Balance at beginning of year $ 100,000 $ 0
Common stock warrant recorded at fair value upon acquisition 501,000 237,000
Decrease in fair value included in change in fair value of common stock warrants (333,800) (137,000)
Balance at end of year $ 267,200 $ 100,000