Long-Term Debt - Additional Information (Details) - USD ($)				4 Months Ended	6 Months Ended
	Feb. 22, 2019	Feb. 01, 2018	Jun. 30, 2017	Jan. 31, 2015	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2018	Jul. 16, 2018
Debt Instrument [Line Items]
Minimum excess availability on Combined Loan Cap		10.00%			10.00%
Minimum amount excess availability on Combined Loan Cap		$ 7,000,000,000			$ 7,000,000
Principal outstanding					1,379,000
Sale and leaseback transaction, financing agreement period	24 months		3 years
Principal outstanding	$ 1,802,000				$ 935,000		$ 1,988,000
Monthly payments for first 24 months	$ 82,000		$ 123,000
Percentage of interest on equipment financing arrangement	8.16%
Sale and leaseback, transaction date					June 2017
Sale and leaseback, description of assets					certain furniture, fixtures and software
Monthly payments under leaseback arrangement for 25 to 36 months			48,000
Sale and leaseback, payment terms					Monthly payments under the leaseback arrangement were $123,000 for the first 24 months and $48,000 for months 25 to 36.
Equipment Loan
Debt Instrument [Line Items]
Percentage of interest on equipment financing arrangement				3.38%
Principal outstanding under equipment note					$ 1,349,000	$ 4,510,000
Equipment financing arrangement period					5 years
Monthly payments for equipment financing arrangement				$ 272,000
Debt instrument maturity date				Dec. 31, 2019
Term Loan
Debt Instrument [Line Items]
Loan available for borrowing		$ 25,000,000
Line of credit maturity date		Jan. 31, 2023
Long-term debt borrowed		$ 22,500,000
Additional loan available for borrowing		$ 2,500,000
Period of delivery to the lender		45 days
Additional loan amount borrowed								$ 2,500,000
Credit Facility Description of Variable Rate Basis					The interest rate on the Term Loan is equal to a LIBOR rate plus 9.0%.
Debt Instrument, frequency of periodic payment					Quarterly
Debt instrument, payment terms					The Term Loan can be prepaid at the Company's option subject to certain restrictions and subject to a prepayment premium as follows: 1) if the prepayment occurs on or prior to the second anniversary of the Closing Date, the greater of??a) interest on the prepayment that would otherwise have been paid with the 24 month period following the Closing Date minus actual interest payments made through the prepayment date and b) 2% of the prepayment and 2) 2% of the prepayment amount if paid between the second and third anniversary of the Closing Date.
Debt Instrument, frequency of periodic payment, commencing date					Jul. 31, 2018
Dividends payment or share repurchases prohibition period					3 years
Deferred financing costs					$ 2,455,000
Principal outstanding					$ 23,438,000	$ 24,688,000
Proceeds from equipment financing transaction			$ 3,401,000
Term Loan | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Applicable margin rate		9.00%
Term Loan | Maximum
Debt Instrument [Line Items]
Loan available for borrowing		$ 25,000,000
Term Loan | Minimum
Debt Instrument [Line Items]
Debt instruments, periodic payments, principal		$ 312,500