Long-Term Debt (Details) - USD ($)	6 Months Ended
	Jun. 30, 2016	Mar. 10, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Less: unamortized discount and debt issuance costs	$ (2,029,000)		$ (208,000)
Total debt	69,736,000		77,105,000
Current maturities of long-term debt	69,736,000		3,000,000
Long-term debt	0		74,105,000
2016 Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt gross	27,515,000
Remaining borrowing capacity	$ 10,400,000
Effective rate of interest (as a percent)	4.75%
2016 Term Loan
Debt Instrument [Line Items]
Long-term debt gross	$ 44,250,000
Total debt		$ 45,000,000
Effective rate of interest (as a percent)	9.72%
2013 Revolving Credit Facility, due August 16, 2016
Debt Instrument [Line Items]
Long-term debt gross			$ 13,000,000
Effective rate of interest (as a percent)			4.75%
Borrowing capacity			$ 60,600,000.0
2013 Revolving Credit Facility, due August 16, 2016 | Federal Funds Rate
Debt Instrument [Line Items]
Rate spread on variable rate	0.50%
2013 Revolving Credit Facility, due August 16, 2016 | Eurodollar
Debt Instrument [Line Items]
Rate spread on variable rate	1.00%
2011 Term Loan Facility, due August 16, 2016
Debt Instrument [Line Items]
Long-term debt gross			$ 64,313,000
Effective rate of interest (as a percent)			2.42%