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Selected Balance Sheet Data (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Sep. 30, 2016
--- | --- | ---
Accounts receivable, net: |  |
Accounts receivable | $ 31,195 | $ 30,885
Less allowance for doubtful accounts | 257 | 209
Less reserve for future returns and pricing adjustments | 2,218 | 1,991
Accounts receivable, net | 28,720 | 28,685
Inventories: |  |
Raw materials | 23,922 | 21,116
Work in process | 591 | 802
Finished goods | 6,006 | 4,358
Inventories | $ 30,519 | $ 26,276

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