XML 16 R48.htm IDEA: XBRL DOCUMENT v2.4.0.6
Operating Leases (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Operating Leases (Textual) [Abstract]      
Rent expense $ 407,600 $ 380,800 $ 34,000