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Consolidated Statements of Operations (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013
Income Statement [Abstract] |  |
Net revenue | $ 40,017,000 | $ 48,943,000
Costs and expenses: |  |
Production costs | 32,194,000 | 37,940,000
Product engineering and development | 1,422,000 | 1,713,000
Selling, general and administrative | 6,427,000 | 6,712,000
Total operating expenses | 40,043,000 | 46,365,000
Income (loss) from operations | (26,000) | 2,578,000
Other income (expense), net: |  |
Interest and dividend income, net of fees | 1,787,000 | 2,281,000
Realized and unrealized gains on marketable securities, net | 2,212,000 | 1,456,000
Other | 440,000 | 18,000
Other income (expense), net | 4,439,000 | 3,755,000
Income before income taxes | 4,413,000 | 6,333,000
Income tax expense (benefit) | 940,000 | (392,000)
Net income | $ 3,473,000 | $ 6,725,000
Basic earnings per common share: |  |
Basic earnings per share | $ 0.36 | $ 0.71
Diluted earnings per common share: |  |
Diluted earnings per share | $ 0.36 | $ 0.71

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