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v3.8.0.1

Consolidated Statements of Operations - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015
Income Statement [Abstract] |  |  |  |
Net revenue |  | $ 80,608,000 | $ 69,991,000 | $ 39,230,000
Cost of goods sold |  | 59,449,000 | 52,466,000 | 31,724,000
Gross profit |  | 21,159,000 | 17,525,000 | 7,506,000
Operating expenses: |  |  |  |
Product engineering and development |  | 2,147,000 | 1,567,000 | 1,422,000
Selling, general and administrative |  | 8,776,000 | 8,142,000 | 6,878,000
Total operating expenses |  | 10,923,000 | 9,709,000 | 8,300,000
Operating income (loss) |  | 10,236,000 | 7,816,000 | (794,000)
Other income (expense), net: |  |  |  |
Interest and dividend income, net of fees |  | 650,000 | 754,000 | 883,000
Realized and unrealized gains (losses) on marketable securities, net |  | 1,297,000 | 828,000 | (3,638,000)
Other |  | (5,000) | 2,000 | 3,000
Other income (expense), net |  | 1,942,000 | 1,584,000 | (2,752,000)
Income (loss) before income tax expense (benefit) |  | 12,178,000 | 9,400,000 | (3,546,000)
Income tax expense (benefit) |  | 3,760,000 | 2,357,000 | (1,727,000)
Net income (loss) |  | $ 8,418,000 | $ 7,043,000 | $ (1,819,000)
Basic earnings per common share: |  |  |  |
Net income (loss) | [1] | $ 0.58 | $ 0.49 | $ (0.13)
Diluted earnings per common share: |  |  |  |
Net income (loss) | [1] | $ 0.57 | $ 0.48 | $ (0.13)
[1] | 2016 and 2015 adjusted for three-for-two stock split

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- Definition Total costs related to goods produced and sold during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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