Note 4 - Inventories (Tables)

9 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30, 2014			September 30, 2013
New	$	18,695,780		$	15,679,789
Refurbished		7,232,401			3,931,917
Allowance for excess and obsolete inventory		(2,200,000	)		(1,600,000	)
	$	23,728,181		$	18,011,706