Note 5 - Restructuring Charges and Acquisition Costs (Details) (USD $)	12 Months Ended
	Sep. 27, 2014	Sep. 29, 2012
Note 5 - Restructuring Charges and Acquisition Costs (Details) [Line Items]
Restructuring Charges	$ 1,247,000	$ 832,000
Restructuring Reserve, Current	481,000
Business Combination, Acquisition Related Costs	612,000
Current [Member] | ASW Acquisition [Member]
Note 5 - Restructuring Charges and Acquisition Costs (Details) [Line Items]
Restructuring Reserve, Current	500,000
Long Term [Member] | ASW Acquisition [Member]
Note 5 - Restructuring Charges and Acquisition Costs (Details) [Line Items]
Restructuring Reserve, Noncurrent	700,000
Employee Severance [Member]
Note 5 - Restructuring Charges and Acquisition Costs (Details) [Line Items]
Restructuring Charges	1,200,000	(40,000)
ASW Acquisition [Member]
Note 5 - Restructuring Charges and Acquisition Costs (Details) [Line Items]
Business Combination, Acquisition Related Costs	$ 600,000