CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss
Beginning Balance at Sep. 30, 2013	$ 122,633	$ 136	$ 98,634	$ 23,930	$ (67)
Beginning Balance, shares at Sep. 30, 2013		13,556
Net income (loss)	10,497			10,497
Foreign currency translation adjustments	4				4
Cash dividends	(10,772)			(10,772)
Stock-based compensation	3,747	$ 1	3,746
Stock-based compensation, shares		127
Exercise of stock options, net	271	$ 1	270
Exercise of stock options, shares		100
Excess tax benefit (shortfall) from stock option exercises and restricted stock vesting	1,319		1,319
Repurchase and retirement of common stock	(2,178)	$ (1)	(2,177)
Repurchase and retirement of common stock, shares		(76)
Ending Balance at Sep. 30, 2014	125,521	$ 137	101,792	23,655	(63)
Ending Balance, shares at Sep. 30, 2014		13,707
Net income (loss)	(17,380)			(17,380)
Foreign currency translation adjustments	(1)				(1)
Cash dividends	(2,717)			(2,717)
Stock-based compensation	1,073	$ 1	1,072
Stock-based compensation, shares		100
Exercise of stock options, net	29		29
Exercise of stock options, shares		8
Excess tax benefit (shortfall) from stock option exercises and restricted stock vesting	(400)		(400)
Repurchase and retirement of common stock	(123)		(123)
Repurchase and retirement of common stock, shares		(8)
Ending Balance at Jan. 31, 2015	106,002	$ 138	102,370	3,558	(64)
Ending Balance, shares at Jan. 31, 2015		13,807
Net income (loss)	(4,483)			(4,483)
Foreign currency translation adjustments	(9)				(9)
Cash dividends	(11,026)			(11,026)
Stock-based compensation	2,784		2,784
Stock-based compensation, shares		22
Exercise of stock options, net	69		69
Exercise of stock options, shares		11
Excess tax benefit (shortfall) from stock option exercises and restricted stock vesting	(312)		(312)
Repurchase and retirement of common stock	(127)		(127)
Repurchase and retirement of common stock, shares		(15)
Ending Balance at Jan. 30, 2016	92,898	$ 138	104,784	(11,951)	(73)
Ending Balance, shares at Jan. 30, 2016		13,825
Net income (loss)	(32,760)			(32,760)
Foreign currency translation adjustments	1				1
Dividends forfeited	18			18
Stock-based compensation	1,801	$ 2	1,799
Stock-based compensation, shares		191
Exercise of stock options, net	$ 6		6
Exercise of stock options, shares	2	2
Excess tax benefit (shortfall) from stock option exercises and restricted stock vesting	$ (760)		(760)
Repurchase and retirement of common stock	(54)		(54)
Repurchase and retirement of common stock, shares		(8)
Ending Balance at Jan. 28, 2017	$ 61,150	$ 140	$ 105,775	$ (44,693)	$ (72)
Ending Balance, shares at Jan. 28, 2017		14,010