Note 7 - Accounts Payable and Accrued Expenses (Detail) - Accounts payable and accrued expenses consist of the following (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Accounts payable	$ 9,458	$ 8,974
Commissions	225	155
Compensation and fringe benefits	2,593	1,719
Professional fees and shareholders' reporting costs	572	501
Taxes, other than income	316	174
Warranty	146	150
Current portion of capital lease	13	24
Other	251	406
	$ 13,574	$ 12,103