Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Other Securities (Details Textual)

v3.2.0.727
Fair Value of Other Securities (Details Textual) - USD ($)
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Schedule of Equity Method Investments [Line Items]    
Transfers between levels $ 0  
Escrow Receivable Release Percentage after Time Expiration 50.00%  
Lightfoot Capital Partners LP [Member]    
Schedule of Equity Method Investments [Line Items]    
Equity interest 6.70%  
Vantacore Partners LP [Member]    
Schedule of Equity Method Investments [Line Items]    
Equity interest   11.10%
Minimum [Member] | Lightfoot Capital Partners LP [Member]    
Schedule of Equity Method Investments [Line Items]    
Fair Value Inputs, Discount for Lack of Marketability 16.60%  
Fair Value Inputs, Discount Rate 12.00%  
Maximum [Member] | Lightfoot Capital Partners LP [Member]    
Schedule of Equity Method Investments [Line Items]    
Fair Value Inputs, Discount for Lack of Marketability 21.30%  
Fair Value Inputs, Discount Rate 14.00%