Consolidated Statement of Changes in Shareholder Equity (USD $)	COMMON STOCK	TREASURY STOCK	ACCUMULATED UNREALIZED GAIN ON MARKETABLE SECURITIES, NET OF TAX	ACCUMULATED DEFICIT	Total
Beginning Balance, Amount at Jun. 30, 2011	$ 108,696,500		$ 466,500	$ (103,341,200)	$ 5,821,800
Beginning Balance, Shares at Jun. 30, 2011	4,874,100
Value of stock-based compensation, Amount	7,800				7,800
Shares isssued for exercise of options, Amount	151,200				151,200
Shares isssued for exercise of options, Shares	100,800
Shares issued for services, Amount	26,500				26,500
Shares issued for services, Shares	39,600
Series B preferred dividends, paid in kind				(30,500)	(30,500)
Gain on redemption of Series B Preferred Stock				443,200	443,200
NASDAQ listing fees,Amount	(4,000)				(4,000)
Purchase of treasury shares, Amount		20,700			20,700
Purchase of treasury shares, Shares		29,700
Cancellation of treasury shares, Amount	(20,700)	(20,700)			(41,400)
Cancellation of treasury shares, Shares	(29,700)	(29,700)
Unrealized gain on marketable securities, net of tax			635,200		635,200
Net loss				(442,000)	(442,000)
Ending Balance, Amount at Mar. 31, 2012	$ 108,857,300		$ 1,101,700	$ (103,370,500)	$ 6,588,500
Ending Balance, Shares at Mar. 31, 2012	4,984,800