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Consolidated Statements of Operations - USD ($)	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Revenues:
Product sales	$ 19,247,020	$ 15,305,942
Contract and other	1,067,158	1,055,063
Total revenues	20,314,178	16,361,005
Cost of revenues	10,035,577	8,689,484
Gross profit	10,278,601	7,671,521
Operating expenses:
Selling, general and administrative	8,586,288	6,876,792
Research and development	2,500,053	2,387,985
Total operating expenses	11,086,341	9,264,777
Loss from operations	(807,740)	(1,593,256)
Other income	128,586	125,497
Loss from operations before income taxes	(679,154)	(1,467,759)
Income tax expense (benefit)	197,600	(186,160)
Net loss	$ (876,754)	$ (1,281,599)
Net loss per common share
- basic and diluted (in dollars per share)	$ (0.03)	$ (0.04)
Weighted average common shares outstanding:
Basic and diluted (in shares)	31,855,430	31,970,600
Cash dividends declared per common share (in dollars per share)		$ 0.03

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