Note 6 - Stock-based Compensation (Tables)

3 Months Ended

Dec. 31, 2016

Notes Tables

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

	Three Months Ended
	December 31,		January 2,
(In thousands)	2016		2016
Compensation expense	$	96	$	83

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

									Contractual		Aggregate
	Options			Exercise Price Per Share					Term - Weighted		Intrinsic
	Outstanding						Weighted		Average		Value
	(in thousands)			Range			Average		(in years)		(in thousands)
Outstanding at October 1, 2016		371		$9.16	-	$34.49	$	20.81
Exercised		(22	)	13.06	-	20.50		18.74			$	368
Outstanding at December 31, 2016		349		9.16	-	34.49		20.94		7.78		5,128
Vested and anticipated to vest in the future at December 31, 2016		343						20.91		7.76		5,057
Exercisable at December 31, 2016		120						15.98		6.19		2,369

Schedule of RSU Grants and Compensation Expense [Table Text Block]

	Three Months Ended
	December 31,		January 2,
(In thousands)	2016		2016
Compensation expense	$	161	$	146

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, October 1, 2016		145		$	22.35
Released		(2	)		23.95
Balance, December 31, 2016		143			22.32