Note 6 - Stock-based Compensation (Tables)

3 Months Ended

Dec. 30, 2017

Notes Tables

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

	Three Months Ende d
	December 30 ,		December 31 ,
(In thousands )	201 7		201 6
Compensation expens e	$	90	$	96

Share-based Compensation, Stock Options, Activity [Table Text Block]

									Contractual Term -		Aggregate
	Options		Exercise Price Per Share						Weighted		Intrinsic
	Outstanding						Weighted		Average		Value
	(in thousands)		Range				Average		(in years)		(in thousands)
Outstanding at September 30, 2017		392		$9.16	-	$37.06	$	23.40
Exercised		-		-	-	-		-
Outstanding at December 30, 2017		392		9.16	-	37.06		23.40		7.39	$	2,505
Vested and anticipated to vest in the future at December 30, 2017		388						23.36		7.38		2,492
Exercisable at December 30, 2017		194						19.05		6.16		1,889

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

			Weighted
	Restricted		Average
	Stock Units		Grant Date
(Unit amounts in thousands)	Outstanding		Fair Value
Balance, September 30, 2017		128	$	25.92
Released		-		-
Balance, December 30, 2017		128		25.92

Restricted Stock Units (RSUs) [Member]

Notes Tables

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

	Three Months Ende d
	December 30 ,		December 31 ,
(In thousands )	201 7		201 6
Compensation expens e	$	145	$	161