XML 40 R22.htm IDEA: XBRL DOCUMENT v2.4.0.6
Operating Leases (Tables)
12 Months Ended
Dec. 31, 2012
Operating Leases [Abstract]  
Summary of total lease and operating expense
                     
For the year ended December 31,  
2012     2011     2010  
$ 686,747     $ 620,360     $ 573,218  
Future minimum lease payments under the operating leases
                             
2013     2014     2015     2016  
$ 417,000     $ 397,000     $ 401,000     $ 234,000