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Consolidated Condensed Statements of Comprehensive Loss - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2019 | Mar. 31, 2018
Statement of Comprehensive Income [Abstract] |  |  |  |
Net loss | $ (1,258) | $ (2,038) | $ (2,540) | $ (2,949)
Other comprehensive income (loss): |  |  |  |
Foreign currency translation adjustment | (159) | 534 | (587) | 831
Retirement plan liability adjustment | 107 | 161 | 215 | 323
Interest rate swap agreement adjustment | 0 | 0 | 0 | 19
Comprehensive loss | $ (1,310) | $ (1,343) | $ (2,912) | $ (1,776)

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