CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Jun. 30, 2013	Sep. 30, 2012
Current Assets
Cash and cash equivalents	$ 16,607,850	$ 42,977,501
Accounts receivable, net	5,096,952	3,978,512
Inventories	4,038,878	3,801,547
Deferred income taxes	2,081,633	1,588,162
Prepaid expenses and other current assets	5,560,720	2,031,644
Total current assets	33,386,033	54,377,366
Property and equipment, net	7,435,026	7,214,378
Non-current deferred income taxes	667,205	846,887
Other assets	122,600	158,600
Total Assets	41,610,864	62,597,231
Current Liabilities
Accounts payable	2,017,351	1,139,464
Accrued expenses	3,681,482	2,723,812
Deferred revenue	399,075	1,426,552
Total current liabilities	6,097,908	5,289,828
Non-current deferred income taxes	131,334	128,998
Other liabilities	139,773	98,002
Total Liabilities	6,369,015	5,516,828
Commitments and contingencies (See Note 6)
Shareholders' Equity
Preferred Stock, 10,000,000 shares authorized, $.001 par value, of which 200,000 shares are authorized as Class A Convertible stock. No shares issued and outstanding at June 30, 2013 and September 30, 2012
Common stock, $.001 par value: 75,000,000 shares authorized, 18,548,264 and 18,329,314 issued at June 30, 2013 and September 30, 2012, respectively	18,548	18,329
Additional paid-in capital	49,282,989	47,845,732
Retained earnings	6,329,903	29,605,236
Treasury stock, at cost, 1,756,807 and 1,756,632 shares at June 30, 2013 and September 30, 2012, respectively	(20,389,591)	(20,388,894)
Total Shareholders' Equity	35,241,849	57,080,403
Total Liabilities and Shareholders' Equity	$ 41,610,864	$ 62,597,231