Statements of Shareholders Equity (USD $)	Total	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Common Stock [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Sep. 30, 2009
Comprehensive Income (Loss) [Abstract]
Net loss	$ (1,249,758)	$ 0	$ (1,249,758)	$ 0	$ 0	$ 0
Foreign currency translation adjustment	(83,492)				(83,492)
Unrealized loss on derivatives, net of tax	(25,001)				(25,001)
Unrealized gain on marketable securities, net of tax	56,456				56,456
Total comprehensive loss	(1,301,795)
Payments for Repurchase of Common Stock	(858,359)	0	0	858,359	0	0
Distribution of deferred compensation, Shares Issued						3,900
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued	0	(59,937)				39
Exercise of stock options, shares	(15,308)					15,308
Exercise of stock options	5,307	49,358	0	(44,204)	0	153
Tax Benefit from Stock Options Exercised	3,955	3,955
Share-based Compensation	290,584	290,584
Deferred compensation amortization	4,768	4,768
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Sep. 30, 2010	33,543,944	24,583,239	13,101,666	(3,987,869)	(205,953)	52,861
Common Stock, Shares, Outstanding at Sep. 30, 2010						5,286,084
Comprehensive Income (Loss) [Abstract]
Net loss	(11,459,946)	0	(11,459,946)	0	0	0
Foreign currency translation adjustment	6,328				6,328
Unrealized loss on derivatives, net of tax	150,815				150,815
Unrealized gain on marketable securities, net of tax	(24,204)				(24,204)
Total comprehensive loss	(11,327,007)
Payments for Repurchase of Common Stock	(129,164)	0	0	129,164	0	0
Distribution of deferred compensation, Shares Issued						6,000
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued	0	(60)		0		60
Exercise of stock options, shares	(52,924)					52,924
Exercise of stock options	57,480	159,420	0	(102,469)	0	529
Share-based Compensation	293,906	293,906
Deferred compensation amortization	4,768	4,768
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Sep. 30, 2011	22,443,927	25,041,273	1,641,720	(4,219,502)	(73,014)	53,450
Common Stock, Shares, Outstanding at Sep. 30, 2011						5,345,008
Comprehensive Income (Loss) [Abstract]
Net loss	(1,380,345)	0	(1,380,345)	0	0	0
Foreign currency translation adjustment	55,710				55,710
Unrealized loss on derivatives, net of tax	(122,822)				(122,822)
Unrealized gain on marketable securities, net of tax	(29,708)				(29,708)
Total comprehensive loss	(1,477,165)
Payments for Repurchase of Common Stock	(81,450)			81,450	0
Distribution of deferred compensation, Shares Issued						5,925
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued	0	(59)				59
Exercise of stock options, shares	0
Exercise of stock options	0
Share-based Compensation	297,718	297,718
Deferred compensation amortization	4,780	4,780
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Sep. 30, 2012	$ 21,187,810	$ 25,343,712	$ 261,375	$ (4,300,952)	$ (169,834)	$ 53,509
Common Stock, Shares, Outstanding at Sep. 30, 2012						5,350,933