Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Details)

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Accrued Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Sep. 30, 2017
Payables and Accruals [Abstract]    
Ad valorem taxes $ 1,482 $ 2,648
Accrued interest 1,185 1,165
Accrued employee wages and benefits 2,197 1,320
Accrued dividends 491 494
Current portion of deferred retirement obligations 345 315
Accrued insurance 92 166
Other accrued liabilities 556 673
Total accrued liabilities $ 6,348 $ 6,781