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Business Combinations - Pro Forma Results (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Business Acquisition [Line Items]    
Document Fiscal Year Focus 2017  
Dayna International, LLC    
Business Acquisition [Line Items]    
Revenue $ 26,111 $ 28,507
Net income $ 324 $ (388)
Number of shares outstanding - basic (in shares) $ 11,201,000 $ 10,949,000
Number of shares outstanding - diluted (in shares) 12,690,000 10,949,000
Basic earnings per share (in dollars per share) 0.03 (0.04)
Diluted earnings per share (in dollars per share) $ 0.03 $ (0.04)