Condensed Consolidated Balance Sheet (Going Concern Basis) (Parentheticals) $ / shares in Thousands, $ in Thousands	Feb. 03, 2018 USD ($) $ / shares shares
Accounts receivable, allowance for doubtful accounts | $	$ 2,022
Preferred stock, par value (in dollars per share) | $ / shares	$ 0
Preferred stock, shares authorized (in shares)	2,000,000
Preferred stock, shares issued (in shares)	0
Preferred stock, shares outstanding (in shares)	0
Common stock, par value (in dollars per share) | $ / shares	$ 0
Common stock, shares authorized (in shares)	100,000,000
Common stock, shares issued (in shares)	44,183,017
Common stock, shares outstanding (in shares)	39,462,268