CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (USD $)	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Net sales	$ 6,973,370	$ 6,162,300
Cost of goods sold	5,473,783	4,950,975
Gross profit	1,499,587	1,211,325
Operating expenses:
Sales and marketing	477,381	289,848
General and administrative	1,074,038	1,422,912
Total operating expenses	1,551,419	1,712,760
Loss from operations	(51,832)	(501,435)
Other income (expense):
Interest income	1,820	42,127
Other income (expense), net	231,272	(13,767)
Total other income, net	233,092	28,360
Income (loss) from continuing operations before income tax expense (benefit)	181,260	(473,075)
Income tax expense (benefit)	75	(219)
Income (loss) from continuing operations	181,185	(472,856)
Loss from discontinued operations, net of tax of $920 and $1,859, respectively	(42,420)	(1,040,324)
Net income (loss)	138,765	(1,513,180)
Other comprehensive income (loss)
Change in unrealized gains on marketable securities	23,744
Translation adjustments	5,615	916
Comprehensive income (loss)	$ 168,124	$ (1,512,264)
Net income (loss) per basic and diluted common share:
Income (loss) from continuing operations (in dollars per share)	$ 0.02	$ (0.06)
Loss from discontinued operations (in dollars per share)	$ (0.01)	$ (0.13)
Net income (loss) per share (in dollars per share)	$ 0.02	$ (0.19)
Weighted average number of common and common equivalent shares outstanding
Basic and diluted (in shares)	8,106,897	8,091,165