Consolidated Balance Sheets Parenthetical - USD ($)	Dec. 31, 2015	Jun. 30, 2015
Common Stock, Value, Issued	$ 7,074,380	$ 7,026,500
Current Assets
Accounts receivable, allowances for doubtful accounts	$ 154,000	$ 258,000
Shareholders' Equity
Common shares, par value (in dollars per share)	$ 1.00	$ 1.00
Common shares, authorized (in shares)	20,000,000	20,000,000