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Deferred Charges and Other Non-Current Assets Deferred Charges and Other Non-Current Assets (Details) - USD ($)
 1 Months Ended 12 Months Ended
Mar. 19, 2014
Nov. 30, 2015
Feb. 28, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Deferred Costs and Other Noncurrent Assets [Abstract]            
Loan issuance and origination costs, net of accumulated amortization       $ 1,445,000 $ 1,870,000  
Accumulated amortization of loan issuance and origination costs       2,809,000 1,252,000  
Tradenames       8,856,000 7,660,000  
Other       210,000 323,000  
Deferred charges and other non-current assets       15,192,000 14,264,000  
Convertible junior subordinated debenture            
Deferred Costs and Other Noncurrent Assets [Abstract]            
Accumulated amortization of loan issuance and origination costs       $ 0 1,095,000  
Convertible subordinated notes            
Finite-Lived Intangible Assets [Line Items]            
Debt instrument, term 7 years     7 years    
Deferred Costs and Other Noncurrent Assets [Abstract]            
Loan issuance and origination costs, net of accumulated amortization       $ 2,769,000 3,252,000  
Accumulated amortization of loan issuance and origination costs       375,000 0  
Noncompete Agreements            
Finite-Lived Intangible Assets [Line Items]            
Amortization of intangible assets       299,742 348,602 $ 79,207
Deferred Costs and Other Noncurrent Assets [Abstract]            
Prepaid agreements not to compete, net of accumulated amortization of $5,105 and $5,404, respectively       1,912,000 1,159,000  
Accumulated amortization of prepaid agreements to not compete       $ 5,105,000 $ 4,807,000  
Noncompete agreements acquired   $ 800,000        
Noncompete Agreements | Minimum            
Finite-Lived Intangible Assets [Line Items]            
Term of agreements not to compete       1 year    
Noncompete Agreements | Maximum            
Finite-Lived Intangible Assets [Line Items]            
Term of agreements not to compete       10 years    
Trade Names            
Deferred Costs and Other Noncurrent Assets [Abstract]            
Tradenames acquired     $ 1,200,000