Note 7 - Segment Reporting - Financial Information by Reportable Segment, Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 29, 2018	Jun. 30, 2017	Jun. 29, 2018	Jun. 30, 2017
Revenues:
Revenues	$ 16,203	$ 16,404	$ 46,994	$ 51,027
Gross profit:
Gross Profit	6,546	6,832	19,932	21,237
UNITED STATES | Continuing Operations [Member]
Revenues:
Revenues	10,123	10,849	27,057	30,995
Gross profit:
Gross Profit	4,086	5,032	11,180	13,594
CANADA | Continuing Operations [Member]
Revenues:
Revenues	1,309	1,012	5,156	5,159
Gross profit:
Gross Profit	550	357	2,488	2,202
North America [Member] | Continuing Operations [Member]
Revenues:
Revenues	11,432	11,861	32,213	36,154
Gross profit:
Gross Profit	4,636	5,389	13,668	15,796
UNITED KINGDOM | Continuing Operations [Member]
Revenues:
Revenues	3,510	3,201	11,072	10,864
Gross profit:
Gross Profit	1,134	629	4,016	3,028
SWEDEN | Continuing Operations [Member]
Revenues:
Revenues	647	732	2,047	2,390
Gross profit:
Gross Profit	348	389	1,100	1,279
JAPAN | Continuing Operations [Member]
Revenues:
Revenues	614	610	1,662	1,619
Gross profit:
Gross Profit	$ 428	$ 425	$ 1,148	$ 1,134