Note 7 - Major Customers and Export Revenue (Tables)

9 Months Ended

Jun. 30, 2018

Notes Tables

Revenue from External Customers by Geographic Areas [Table Text Block]

	June 30, 2018				July 1, 2017
	3 months		9 months		3 months		9 months
Domestic	$	832,441	$	2,343,878	$	1,008,380	$	2,792,102
Foreign		74,736		203,794		10,725		243,710
Total net revenue	$	907,177	$	2,547,672	$	1,019,105	$	3,035,812

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	June 30, 2018						July 1, 2017
	3 months			9 months			3 months			9 months
Saudi Arabia		73	%		44	%		-			42	%
Philippines		27	%		44	%		-			4	%
Bahrain		-			-			100	%		4	%
Jordan		-			6	%		-			43	%
Other		-			6	%		-			7	%

	June 30, 2018						July 1, 2017
	3 months			9 months			3 months			9 months
Mid-East and Africa		73	%		56	%		100	%		89	%
Far East		27	%		44	%		-			11	%