Note 3 - Liability for Estimated Costs During Liquidation - Liability for Estimated Costs During Liquidation (Details) - Liquidation Basis of Accounting [Member] $ in Thousands	May 05, 2018 USD ($)
Severance and employment contract payments	$ 14,149
General overhead costs	3,643
Other dissolution costs	142
Liability for estimated costs during dissolution and liquidation	$ 17,934

Amount of estimated accrued costs to dispose of assets or other items expected to be sold in liquidation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=95464943&loc=SL35686261-199414

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant