|
Commitments and Contingencies Commitments and Contingencies (Details) (USD $)
|
12 Months Ended | |
|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] | ||
| Operating Leases, Future Minimum Payments Due | $ 552,000 | |
| Operating Leases, Future Minimum Payments Due, Next Twelve Months | 430,000 | |
| Operating Leases, Future Minimum Payments, Due in Two Years | 101,000 | |
| Operating Leases, Future Minimum Payments, Due in Three Years | 21,000 | |
| Business Acquisition, Contingent Consideration, Potential Cash Payment | 1,600,000 | |
| Postemployment Benefits Liability, Noncurrent | 1,100,000 | |
| Deferred Compensation Arrangement with Individual, Compensation Expense | 109,000 | 89,000 |
| Deferred Compensation Arrangement with Individual, Shares Authorized for Issuance | 16,320 | |
| Fair value of deferred compensation shares held in treasury until retirement or involuntary separation | $ 63,000 | |