Note 7 - Discontinued Operations - Combined Balance Sheets (Details) - USD ($) $ in Thousands		May 05, 2018	Feb. 03, 2018	Apr. 29, 2017	Jan. 28, 2017
Cash and cash equivalents			$ 38,628	$ 71,697	$ 66,425
Restricted cash
Accounts receivable, net of allowances of $2,022 as of February 3, 2018			9,715
Inventory			3,038
Total prepaid expenses and other current assets		$ 5,698	6,771
Current assets held for sale			21,893
Total current assets			80,045
Software, equipment and leasehold improvements, net			4,339
Intangible assets, net			2,551
Goodwill
Deferred tax assets
Non-current assets held for sale			4,703
Other non-current assets			4,459
Total assets			96,097
Accounts payable			9,333
Accrued compensation and related benefits			4,048
Accrued liabilities			9,867
Current liabilities held for sale			13,807
Total current liabilities			37,055
Income taxes payable			11,580
Deferred tax liabilities			45
Long-term liabilities held for sale			4,144
Other long-term liabilities			3,153
Total liabilities			55,977
Commitments and contingencies (Note 8)
Common stock and additional paid-in capital			466,298
Treasury stock			(88,336)
Accumulated other comprehensive loss			18
Accumulated deficit			(337,860)
Total shareholders' equity			40,120
Total liabilities and shareholders' equity			96,097
Scenario - Before Adjustments [Member]
Cash and cash equivalents			40,628
Restricted cash			335
Accounts receivable, net of allowances of $2,022 as of February 3, 2018			17,120
Inventory			14,064
Total prepaid expenses and other current assets			7,898
Current assets held for sale
Total current assets			80,045
Software, equipment and leasehold improvements, net			6,178
Intangible assets, net			4,630
Goodwill
Deferred tax assets			770
Non-current assets held for sale
Other non-current assets			4,467
Total assets			96,090
Accounts payable			15,864
Accrued compensation and related benefits			6,512
Accrued liabilities			14,679
Current liabilities held for sale
Total current liabilities			37,055
Income taxes payable			15,708
Deferred tax liabilities			38
Long-term liabilities held for sale
Other long-term liabilities			3,169
Total liabilities			55,970
Common stock and additional paid-in capital			522,985
Treasury stock			(88,336)
Accumulated other comprehensive loss			18
Accumulated deficit			(394,547)
Total shareholders' equity			40,120
Total liabilities and shareholders' equity			96,090
Pro Forma - Assets Held for Sale [Member]
Cash and cash equivalents, adjustments			(2,000)
Restricted cash, adjustments			(335)
Accounts receivable, net, adjustments			(7,405)
Inventory, adjustments			(11,026)
Prepaid expenses and other current assets, adjustments			(1,127)
Current assets held for sale, adjustments
Total current assets, adjustments			(21,893)
Software, equipment and leasehold improvements, net, adjustments			(1,839)
Intangible assets, net, adjustments			(2,079)
Goodwill, adjustments
Deferred tax assets, adjustments			(777)
Non-current assets held for sale, adjustments
Other non-current assets, adjustments			(8)
Total assets, adjustments			(26,596)
Accounts payable, adjustments			(6,531)
Accrued compensation and related benefits, adjustments			(2,464)
Accrued liabilities, adjustments			(4,812)
Current liabilities held for sale, adjustments
Total current liabilities, adjustments			(13,807)
Income taxes payable, adjustments			(4,128)
Deferred tax liabilities, adjustments
Long-term liabilities held for sale, adjustments
Other long-term liabilities, adjustments			(16)
Total liabilities, adjustments			(17,951)
Common stock and additional paid-in capital, adjustments			(56,687)
Treasury stock, adjustments
Accumulated other comprehensive loss, adjustments
Accumulated deficit, adjustments			48,042
Total shareholders' equity, adjustments			(8,645)
Total liabilities and shareholders' equity, adjustments			(26,596)
Pro Forma - Other Adjustments [Member]
Cash and cash equivalents, adjustments
Restricted cash, adjustments
Accounts receivable, net, adjustments
Inventory, adjustments
Prepaid expenses and other current assets, adjustments
Current assets held for sale, adjustments			21,893
Total current assets, adjustments			21,893
Software, equipment and leasehold improvements, net, adjustments
Intangible assets, net, adjustments
Goodwill, adjustments
Deferred tax assets, adjustments	[1]		7
Non-current assets held for sale, adjustments			4,703
Other non-current assets, adjustments
Total assets, adjustments			26,603
Accounts payable, adjustments
Accrued compensation and related benefits, adjustments
Accrued liabilities, adjustments
Current liabilities held for sale, adjustments			13,807
Total current liabilities, adjustments			13,807
Income taxes payable, adjustments
Deferred tax liabilities, adjustments	[1]		7
Long-term liabilities held for sale, adjustments			4,144
Other long-term liabilities, adjustments
Total liabilities, adjustments			17,958
Common stock and additional paid-in capital, adjustments
Treasury stock, adjustments
Accumulated other comprehensive loss, adjustments
Accumulated deficit, adjustments			8,645
Total shareholders' equity, adjustments			8,645
Total liabilities and shareholders' equity, adjustments			$ 26,603

[1] Reclassification of a negative Deferred tax asset to Deferred tax liability.