Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net loss	$ (1,380,345)	$ (11,459,946)	$ (1,249,758)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Deferred income taxes	0	2,155,944	(379,820)
Depreciation and amortization	580,609	666,312	720,295
Allocated Share-based Compensation Expense	4,780	4,768	4,768
Stock compensation expense	297,718	293,906	290,584
Change in assets and liabilities:
Accounts receivable, net	(1,674,182)	2,232,012	(232,723)
Inventories	2,202,465	(326,276)	840,512
Recoverable income taxes	0	55,755	(144,128)
Prepaid expenses and other current assets	21,791	(38,051)	11,828
Other assets	129,155	(49,969)	34,493
Accounts payable	(999,269)	826,109	(550,844)
Accrued compensation and employee benefits	194,951	16,358	(529,544)
Accrued expenses	101,376	(108,205)	(94,093)
Unearned revenue	(125,803)	(283,008)	(25,574)
Income taxes payable	0	0	(31,968)
Other liabilities	1,216	38,747	(221,582)
Net cash provided by (used in)	(645,538)	(5,975,544)	(1,557,554)
Cash flows from investing activities:
Increase (Decrease) in Trading Securities	1,600,716	3,263,552	(5,067,259)
Payments to Acquire Property, Plant, and Equipment	(251,735)	(391,583)	(334,804)
Net Cash Provided by (Used in) Investing Activities	1,348,981	2,871,969	(5,402,063)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Payments for Repurchase of Common Stock	(81,450)	(129,164)	(858,359)
Proceeds from Stock Options Exercised	0	57,480	5,307
Net Cash Provided by (Used in) Financing Activities	(81,450)	(71,684)	(853,052)
Effect of Exchange Rate on Cash and Cash Equivalents	(15,881)	13,448	(47,555)
Cash and Cash Equivalents, Period Increase (Decrease)	606,112	(3,161,811)	(7,860,224)
Cash at beginning of year	5,628,156	8,789,967
Cash at end of period	6,234,268	5,628,156	8,789,967
Income taxes	30,079	88,879	172,282
Interest	$ 0	$ 0	$ 0