CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $)	Sep. 30, 2011	Jun. 30, 2011
Trade receivables, net of allowance for doubtful accounts, of $15,683 and $15,383, respectively	$ 15,683	$ 15,383
Common stock, par value (in dollars per share)	$ 1	$ 1
Series A Prior Cumulative Preferred Stock
Preferred Stock, Par or Stated Value	$ 5	$ 5
Preferred Stock, Liquidation Preference Value	2,107,500	2,100,000
Series B Prior Cumulative Preferred Stock
Preferred Stock, Par or Stated Value	$ 5	$ 5
Preferred Stock, Liquidation Preference Value	2,062,500	2,055,000
Series A Cumulative Preferred Stock
Preferred Stock, Par or Stated Value	$ 20	$ 20
Preferred Stock, Liquidation Preference Value	4,799,699	4,785,065
Series B Cumulative Preferred Stock
Preferred Stock, Par or Stated Value	$ 20	$ 20
Preferred Stock, Liquidation Preference Value	$ 782,206	$ 779,821