Annual report pursuant to Section 13 and 15(d)

Interest Rate Swap (Narrative) (Details)

v3.6.0.2
Interest Rate Swap (Narrative) (Details) - USD ($)
Aug. 09, 2013
Aug. 21, 2012
Dec. 31, 2016
Dec. 31, 2015
Jan. 03, 2015
Derivative [Line Items]          
Interest rate swap liability     $ 0 $ 246,145  
Term Loan Due August 21, 2022 [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]          
Derivative [Line Items]          
Remaining maturity period of interest rate swap (years)   10 years      
Color Resources, LLC [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]          
Derivative [Line Items]          
Interest rate swap, notional amount $ 4,033,250        
Interest rate swap, fixed interest rate (percent) 4.83%        
Remaining maturity period of interest rate swap (years) 10 years        
Palmer of Texas [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]          
Derivative [Line Items]          
Interest rate swap, notional amount   $ 22,500,000      
Interest rate swap, fixed interest rate (percent)   3.74%      
Palmer of Texas [Member] | Term Loan [Member] | Interest Rate Swap [Member]          
Derivative [Line Items]          
Interest rate swap asset     31,000    
Interest rate swap liability       $ 40,000  
Fair Value, Inputs, Level 2 [Member] | Color Resources, LLC [Member] | Term Loan [Member] | Interest Rate Swap [Member]          
Derivative [Line Items]          
Interest rate swap liability     $ 0   $ 206,000