Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Accumulated Depreciation (in Dollars)	$ 799,712	$ 643,472
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in Shares)	75,000,000	75,000,000
Common stock, shares issued (in Shares)	35,459,494	33,899,057
Common stock, shares outstanding (in Shares)	34,792,207	33,186,325
Treasury stock, shares (in Shares)	667,287	712,732