EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Net Income (Loss) Attributable to Parent [Abstract]
Net income (loss)	$ (829)	$ 5,567	$ (1,128)	$ 5,108
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted average basic shares	11,445	11,369	11,441	11,382
Dilutive effect of restricted stock units	0	53	0	33
Weighted average diluted shares with assumed conversions	11,445	11,422	11,441	11,415
Basic (in dollars per share)	$ (0.07)	$ 0.49	$ (0.10)	$ 0.45
Diluted (in dollars per share)	$ (0.07)	$ 0.49	$ (0.10)	$ 0.45