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PREPAID WORKERS' COMPENSATION: (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Dec. 31, 2013
Workers compensation program, Zurich
PREPAID WORKERS' COMPENSATION:      
Prepaid asset $ 199 $ 358 $ 200
Period over which remaining prepaid asset will be received (months)     12 months