Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Revenues:
Product sales	$ 7,336,025	$ 2,701,959
Contract and other	292,542	239,375
Total revenues	7,628,567	2,941,334
Cost of revenues	3,671,027	1,716,824
Gross profit	3,957,540	1,224,510
Operating expenses:
Selling, general and administrative	2,188,398	1,966,436
Research and development	778,037	587,410
Total operating expenses	2,966,435	2,553,846
Income (loss) from operations	991,105	(1,329,336)
Other income	34,530	30,128
Income (loss) from operations before income taxes	1,025,635	(1,299,208)
Income tax expense (benefit)	2,708,888	(486,528)
Net loss	$ (1,683,253)	$ (812,680)
Net loss per common share - basic and diluted (in dollars per share)	$ (0.05)	$ (0.03)
Weighted average common shares outstanding: - basic and diluted (in shares)	32,236,039	31,800,103