Annual report pursuant to Section 13 and 15(d)

Fair Value of Other Securities (Details Textual)

v3.3.1.900
Fair Value of Other Securities (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]    
Transfers between levels $ 0  
Unrealized gain on other equity securities 364,633 $ 5,000
Investment warrants $ 0  
Escrow Receivable Release Percentage after Time Expiration 50.00%  
Lightfoot Capital Partners LP [Member]    
Schedule of Equity Method Investments [Line Items]    
Equity interest percentage 6.60% 1.50%
Minimum [Member] | Lightfoot Capital Partners LP [Member]    
Schedule of Equity Method Investments [Line Items]    
Fair Value Inputs, Discount for Lack of Marketability 11.80% 17.70%
Fair Value Inputs, Discount Rate 14.00% 13.00%
Maximum [Member] | Lightfoot Capital Partners LP [Member]    
Schedule of Equity Method Investments [Line Items]    
Fair Value Inputs, Discount for Lack of Marketability 15.20% 22.80%
Fair Value Inputs, Discount Rate 16.00% 15.00%