Quarterly report pursuant to sections 13 or 15(d)

Long-Term Debt (Schedule of Interest Costs) (Details)

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Long-Term Debt (Schedule of Interest Costs) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Long-Term Debt [Abstract]        
Interest expense $ 253 $ 311 $ 522 $ 678
Interest capitalized 40 12 69 29
Total interest cost $ 293 $ 323 $ 591 $ 707