Leases - Future Maturities of Lease Liabilities (Details) $ in Thousands	May 04, 2019 USD ($)
Operating Lease Liabilities, Payments Due [Abstract]
2019	$ 665
2020	542
2021	0
2022	0
2023	0
Thereafter	0
Total lease payments	1,207
Less imputed interest	(46)
Total lease liabilities	1,161
Finance Lease Liabilities, Payments, Due [Abstract]
2019	10
2020	8
2021	8
2022	2
2023	0
Thereafter	0
Total lease payments	28
Less imputed interest	(2)
Total lease liabilities	26
Total Lease Liabilities, Payments, Due [Abstract]
2019	675
2020	550
2021	8
2022	2
2023	0
Thereafter	0
Total lease payments	1,235
Less imputed interest	48
Total lease liabilities	$ 1,187