CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Allowance for Doubtful Accounts (in Dollars)	$ 66,500	$ 60,500
Preferred stock par value (in Dollars per share)	$ 1.66	$ 1.66
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued
Common stock par value (in Dollars per share)	$ 1.66	$ 1.66
Common stock, shares authorized	90,000,000	90,000,000
Common stock, shares issued	5,116,826	5,101,334
Common stock, shares outstanding	5,116,826	5,101,334