Debt - Debt Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012
Debt Instrument [Line Items]
Long-term Debt	$ 6,455	$ 6,455	$ 10,480
Debt, Current	4,163	4,163	10,456
Long-term Debt, Excluding Current Maturities	2,292	2,292	24
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	161	161	284
Insurance Financing [Member]
Debt Instrument [Line Items]
Long-term Debt	1,502	1,502	196
Tontine Loan [Member]
Debt Instrument [Line Items]
Long-term Debt		0	10,000
Wells Fargo Term Loan [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 4,792		$ 0