Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net loss	$ (1,217)	$ (2,846)	$ (225)	$ (364)	$ (4,063)	$ (589)
Denominator:
Weighted average basic shares (in shares)	11,801		11,707		11,783	11,690
Dilutive effect of restricted stock units (in shares)	0		0		0	0
Weighted average diluted shares (in shares)	11,801		11,707		11,783	11,690
Loss per share:
Basic (in dollars per share)	$ (0.10)		$ (0.02)		$ (0.34)	$ (0.05)
Diluted (in dollars per share)	$ (0.10)		$ (0.02)		$ (0.34)	$ (0.05)