Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Revenues:
Product sales	$ 2,563,807	$ 4,146,072
Contract and other	257,725	239,356
Total revenues	2,821,532	4,385,428
Cost of revenues	1,523,170	2,026,271
Gross profit	1,298,362	2,359,157
Operating expenses:
Selling, general and administrative	1,460,092	1,402,021
Research and development	561,202	477,704
Total operating expenses	2,021,294	1,879,725
(Loss) income from operations	(722,932)	479,432
Other income	33,264	26,202
(Loss) income from operations before income taxes	(689,668)	505,634
Income tax benefit	(309,595)	0
Net (loss) income	$ (380,073)	$ 505,634
Basic (in dollars per share)	$ (0.01)	$ 0.02
Diluted (in dollars per share)	$ (0.01)	$ 0.01
Weighted average common shares outstanding:
Basic (in shares)	32,462,220	33,236,489
Diluted (in shares)	32,462,220	33,785,996
Cash dividends declared per common share (in dollars per share)	$ 0.01