CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Net sales	$ 11,930,378	$ 15,427,227
Cost of sales	6,538,437	10,417,464
Gross profit	5,391,941	5,009,763
Selling, general and administrative expenses	2,873,775	3,298,737
Research and development expenses	706,926	812,382
Income from operations	1,811,240	898,644
Other income :
Interest income	1,080	1,688
Foreign currency gain	2,070	16,879
Total other income	3,150	18,567
Income before tax provision	1,814,390	917,211
Current tax expense	52,505	36,348
Deferred tax expense	471,799	436,931
Net income	$ 1,290,086	$ 443,932
Net income per share:
Basic and diluted (in dollars per share)	$ 0.13	$ 0.04