Quarterly report pursuant to Section 13 or 15(d)

Debt (Details Textual)

v3.8.0.1
Debt (Details Textual) - USD ($)
3 Months Ended
Jan. 12, 2018
Jul. 14, 2017
Mar. 31, 2018
Mar. 21, 2018
Dec. 31, 2017
Amount Requied To Remit Due to Excess Cash Flow     $ 1,200,000    
Debt Instrument, Periodic Payment     $ 250,000    
Stock Repurchased During Period, Shares   120,000      
Debt Instrument, Maturity Date, Description Loans under the Credit Agreement bear interest, at the Borrowers option, at either Adjusted LIBOR (Eurodollar) or a base rate (Base Rate), in each case, plus an applicable margin. With respect to the Bridge Term Loan, from January 12, 2018 to, but excluding, the sixth month anniversary thereof, the applicable margin with respect to any Base Rate loan will be 4.00% per annum and with respect to any Eurodollar loan will be 5.00% per annum. From the six-month anniversary of January 12, 2018 to, but excluding, the 12-month anniversary thereof, the applicable margin with respect to any Base Rate loan will be 4.50% per annum and with respect to any Eurodollar loan will be 5.50% per annum. From the 12-month anniversary of January 12, 2018 and all times thereafter, the applicable margin with respect to any Base Rate loan will be 5.00% per annum and with respect to a Eurodollar loan will be 6.00% per annum.        
Debt Instrument, Repurchased Face Amount $ 10,000,000        
Dividends Payable 900,000        
Maximum senior leverage ratio     2.75    
Minimum Fixed charge coverage ratio     1.25    
Increase in net worth, Percentage     25.00%    
Maximum Fixed charge coverage ratio     1.33    
Minimum Net Worth Required for Compliance     $ 8,000,000    
Minimum [Member]          
Senior leverage ratio     2.75    
Maximum [Member]          
Senior leverage ratio     3.01    
Bridge Loan [Member]          
Debt Instrument, Face Amount $ 10,000,000        
Debt Instrument, Interest Rate, Stated Percentage     7.00%    
Revolving Credit Facility [Member]          
Line of Credit Facility, Maximum Borrowing Capacity     $ 9,300,000    
Senior Credit Facility [Member]          
Debt Instrument, Maturity Date     Jun. 30, 2018    
Letter of Credit [Member]          
Long-term Debt       $ 8,000,000 $ 5,000,000
Loans Payable [Member] | Senior Credit Facility [Member]          
Debt Instrument, Periodic Payment, Principal     $ 750,000    
Senior Credit Facility Agreement [Member]          
Debt Instrument, Interest Rate, Stated Percentage     7.50%    
Senior Credit Facility Agreement [Member] | Revolving Credit Facility [Member]          
Debt Instrument, Face Amount     $ 24,000,000    
Debt Instrument, Interest Rate, Stated Percentage     5.75%    
Senior Credit Facility Agreement [Member] | Loans Payable [Member]          
Debt Instrument, Face Amount     $ 25,000,000    
Debt Instrument, Periodic Payment, Principal     $ 900,000    
Preferred Class A [Member]          
Stock Repurchased During Period, Shares 280,000