Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement - Marketable Securities - Schedule of Marketable Securities (Details)

v3.7.0.1
Fair Value Measurement - Marketable Securities - Schedule of Marketable Securities (Details) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]    
Cost $ 49,971 $ 4,017,061
Accrued Income 30 14,274
Unrealized Gains
Unrealized Losses (6,231)
Fair Value 50,001 4,025,104
Fair Value, Inputs, Level 2 [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost 49,971 4,017,061
Accrued Income 30 14,274
Unrealized Gains
Unrealized Losses (6,231)
Fair Value 50,001 4,025,104
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost 29,672 750
Accrued Income 15
Unrealized Gains
Unrealized Losses
Fair Value 29,671 750
Fair Value, Inputs, Level 2 [Member] | Municipal Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost 20,314 438,003
Accrued Income 15 756
Unrealized Gains
Unrealized Losses (178)
Fair Value $ 20,329 438,581
Fair Value, Inputs, Level 2 [Member] | Certificates of Deposits [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost   2,050,000
Accrued Income   8,584
Unrealized Gains  
Unrealized Losses   (135)
Fair Value   2,058,449
Fair Value, Inputs, Level 2 [Member] | Corporate Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost   1,528,308
Accrued Income   4,934
Unrealized Gains  
Unrealized Losses   (5,918)
Fair Value   $ 1,527,324