CONSOLIDATED CONDENSED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
BALANCE at Oct. 01, 2016	$ 34	$ 12,942	$ 27,158	$ 40,134	$ 2,570	$ 42,704
BALANCE (in Shares) at Oct. 01, 2016	3,423,000
Net income			2,727	2,727	755	3,482
Exercise of stock options		36		36		36
Exercise of stock options, shares (in Shares)	3,000
Tax benefit on exercise of stock options		7		7		7
Change in excess tax benefits from stock-based compensation		(397)		(397)		(397)
Distributions to non-controlling interests					(1,121)	(1,121)
Dividends accrued and paid			(2,569)	(2,569)		(2,569)
BALANCE at Jul. 01, 2017	$ 34	12,588	27,316	39,938	2,204	42,142
BALANCE (in Shares) at Jul. 01, 2017	3,426,000
BALANCE at Sep. 30, 2017	$ 34	12,639	27,771	40,444	1,996	42,440
BALANCE (in Shares) at Sep. 30, 2017	3,428,000
Net income			3,648	3,648	329	3,977
Exercise of stock options	$ 1	603		604		$ 604
Exercise of stock options, shares (in Shares)	42,000					42,000
Tax benefit on exercise of stock options		135		135		$ 135
Distributions to non-controlling interests					(571)	(571)
Dividends accrued and paid			(2,586)	(2,586)		(2,586)
BALANCE at Jun. 30, 2018	$ 35	$ 13,377	$ 28,833	$ 42,245	$ 1,754	$ 43,999
BALANCE (in Shares) at Jun. 30, 2018	3,470,000