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Fair Value Measurement Schedule Of Estimated Fair Value Hierarchy Of Investments And Related Impairments Recognized (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total cost method investments, Total at Estimated Fair Value $ 0 $ 163,350
Total cost method investments, Impairment Losses 0 (233,069)
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total cost method investments, Total at Estimated Fair Value 0 0
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total cost method investments, Total at Estimated Fair Value 0 0
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total cost method investments, Total at Estimated Fair Value $ 0 $ 163,350
Cost Method Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Valuation Method Fair Value Fair Value
Impaired No Yes
Total cost method investments, Total at Estimated Fair Value $ 0 $ 163,350
Total cost method investments, Impairment Losses 0 (233,069)
Cost Method Investments | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total cost method investments, Total at Estimated Fair Value 0 0
Cost Method Investments | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total cost method investments, Total at Estimated Fair Value 0 0
Cost Method Investments | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total cost method investments, Total at Estimated Fair Value $ 0 $ 163,350