Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Details)

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Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Sep. 30, 2016
Payables and Accruals [Abstract]    
Ad valorem taxes $ 157 $ 2,736
Accrued interest 1,233 1,135
Accrued employee wages and benefits 330 964
Inventory received but not invoiced 846 710
Current portion of deferred retirement obligations 342 342
Other accrued liabilities 112 535
Total accrued liabilities $ 3,020 $ 6,422