XML 37 R23.htm IDEA: XBRL DOCUMENT v2.4.0.6
Short-Term and Long-Term Debt (Revolving Credit Lines) (Details) (Revolving Credit Facility [Member], USD $)
3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2013
RBS Citizens [Member]
Jul. 26, 2011
RBS Citizens [Member]
Debt Instrument [Line Items]        
Line of credit, maximum borrowing amount $ 194,680 $ 349,976   $ 1,000,000
Interest rate additional rate above LIBOR     3.95% 3.75%
Revolving credit facility, expiration date     May 31, 2013