Note 13 - Commitments and Contingencies

12 Months Ended

Sep. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies Disclosure [Text Block]

13. COMMITMENTS AND CONTINGENCIES

Legal Matters

The Company is the plaintiff in a suit pursuing patent infringement against a competitor in the emissions market. Management believes that it is not currently possible to estimate the impact, if any, that the ultimate resolution of this matter will have on the Company's results of operations, financial position or cash flows.

The Company was a named defendant along with numerous other companies in a suit in the State of Michigan regarding asbestos harm to the plaintiff. The Company was dismissed from the suit in August 2013.