Note 7 - Property and Equipment (Tables)

12 Months Ended

Sep. 30, 2019

Notes Tables

Property, Plant and Equipment [Table Text Block]

	September 30,
	2019			2018
Office furniture and equipment	$	1,332,443		$	1,326,784
Machinery and equipment		1,223,726			1,095,099
Leasehold improvements		2,019,794			-
Construction in progress		7,565			2,001,539
Property and equipment, gross		4,583,528			4,423,422
Accumulated depreciation		(2,314,022	)		(1,974,697	)
Property and equipment, net	$	2,269,506		$	2,448,725

Depreciation Expense [Member]

Notes Tables

Property, Plant and Equipment [Table Text Block]

	Year Ended September 30,
	2019		2018
Depreciation expense	$	521,492	$	251,186