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Long-Term Debt (Details) - USD ($)
6 Months Ended
Oct. 18, 2017
Sep. 18, 2017
Apr. 03, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Mar. 03, 2017
Debt Instrument [Line Items]              
Proceeds from long-term debt       $ 0 $ 15,000,000    
Revolving Credit Facility | The New Lenders and Agent              
Debt Instrument [Line Items]              
Credit facility, maximum borrowing capacity   $ 20,000,000          
Long-term debt       $ 0      
Revolving Credit Facility | The Lenders and Agent | If(we), Inc.              
Debt Instrument [Line Items]              
Credit facility, maximum borrowing capacity             $ 15,000,000
The New Term Loan Facility | The New Lenders and Agent              
Debt Instrument [Line Items]              
Credit facility, maximum borrowing capacity   60,000,000          
Proceeds from long-term debt $ 60,000,000            
Quarterly amortization of principal   $ 3,750,000          
Weighted average interest rate       5.26%      
The New Credit Facilities | The New Lenders and Agent              
Debt Instrument [Line Items]              
Remaining unamortized fees and direct costs       $ 600,000      
Long-term debt       $ 48,301,419   $ 55,637,106  
Term Loan Facility | The Lenders and Agent              
Debt Instrument [Line Items]              
Proceeds from long-term debt     $ 15,000,000        
Term Loan Facility | The Lenders and Agent | If(we), Inc.              
Debt Instrument [Line Items]              
Credit facility, maximum borrowing capacity             $ 15,000,000
Federal funds effective rate | The New Credit Facilities | The New Lenders and Agent              
Debt Instrument [Line Items]              
Basis spread on variable interest rate   0.50%          
LIBO Rate | The New Credit Facilities | The New Lenders and Agent              
Debt Instrument [Line Items]              
Basis spread on variable interest rate   1.00%