Debt (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 07, 2016	Jan. 28, 2017	Oct. 13, 2015	Jan. 10, 2014	Sep. 04, 2012
Receivables Funding Loan
Debt
Debt Instrument, Fee Amount	$ 125
Line of Credit Facility, Maximum Amount Outstanding During Period		$ 4,000
Unsecured Debt	$ 5,000
Debt Instrument, Interest Rate, Stated Percentage	9.50%
Debt Instrument, Fee Rate	2.50%
Number of days which the outstanding principal and accrued interest is due after the closing of the acquisition	180 days
Adjusted annual LIBOR | 2015 Term Note | Maximum
Debt
Interest rate added to the reference rate (as a percent)		3.00%
1 month LIBOR
Debt
Interest rate added to the reference rate (as a percent)		2.50%
Term Note | 2013 Term Note
Debt
Principal amount					$ 16,600
Term Note | 2014 Term Note
Debt
Principal amount				$ 19,000
Term Note | 2015 Term Note
Debt
Principal amount			$ 6,000
Debt Instrument, Fee Amount		$ 30
Term Note | Adjusted annual LIBOR | 2015 Term Note | Minimum
Debt
Interest rate added to the reference rate (as a percent)		2.75%
Term Note | Prime rate | 2015 Term Note
Debt
Interest rate added to the reference rate (as a percent)		0.25%
Revolver
Debt
Maximum borrowing capacity					$ 2,000
Cerberus Credit Facility | Term Note
Debt
Line of Credit Facility, Maximum Amount Outstanding During Period		$ 44,600
Unamortized deferred financing costs		$ 1,740
Cerberus Credit Facility | Revolver
Debt
Maximum borrowing capacity	$ 5,000
Cerberus Credit Facility | Term Loan Facility
Debt
Maximum borrowing capacity	45,000
Line of Credit Facility, Maximum Amount Outstanding During Period	$ 45,000
Term of loan	5 years