Annual report pursuant to Section 13 and 15(d)

Stockholders' Notes Receivable (Details Textual)

v3.6.0.2
Stockholders' Notes Receivable (Details Textual) - Commercial Paper [Member] - USD ($)
12 Months Ended 24 Months Ended
Dec. 31, 2012
Dec. 31, 2006
Dec. 31, 2016
Dec. 31, 2015
Oct. 01, 2012
Debt Instrument [Line Items]          
Notes Issued   $ 195,000      
Debt Instrument, Interest Rate, Effective Percentage         0.93%
Debt Instrument, Maturity Date Oct. 01, 2016        
Interest Receivable     $ 89,825 $ 88,995