Note 4 - Preferred Stock (Tables)

12 Months Ended

Jun. 30, 2015

Notes Tables

Schedule of Stockholders Equity [Table Text Block]

	June 30
	2015		2014
Series D Convertible Preferred Stock, $0.01 par value; 1,297,537 shares authorized and issued; and 342,829 and 384,495 shares outstanding at June 30, 2015 and 2014, respectively; aggregate liquidation preference of $206,000 and $231,000 at June 30, 2015 and 2014, respectively	$	3,000	$	4,000
Series E Convertible Preferred Stock, $0.01 par value; 3,000 shares authorized; 1,191 shares issued; 632 and 862 shares outstanding at June 30, 2015 and 2014, respectively; aggregate liquidation preference of $632,000 and $862,000 at June 30, 2015 and 2014, respectively		—		—
Total Preferred Stock	$	3,000	$	4,000