Taxes on Income - Deferred Tax Assets And Liabilities (Details) - USD ($) $ in Thousands	Feb. 02, 2019	Feb. 03, 2018
Deferred tax assets: Non-Current
Deferred revenue	$ 9	$ 213
Amortization	3,855	5,967
Other	359	1,578
Employee compensation	242	543
Interest expense carryforward	1,277
Net operating loss and credit carryforwards	26,089	18,778
Valuation Allowance	(31,472)	(27,079)
Total deferred income tax assets	359
Deferred tax liabilities: Non-Current
Amortization	(12,414)	(10,466)
Total deferred income tax liabilities	(12,414)	(10,466)
Net deferred tax assets
Net deferred income tax liabilities	$ (12,055)	$ (10,466)