Cash Flows, Supplemental and Noncash Disclosures (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Supplemental Disclosures [Abstract]
Cash Paid For Interest	$ 142	$ 120
Cash Paid for Income Taxes	822	1,380
Noncash Activities [Abstract]
Issuance Of Restricted Common Stock For Asset Acquisition	7,158	0
Capital lease asset additions and related obligations	140	0
Equipment Acquisitions Financed With Accounts Payable	$ 235	$ 92