Balance Sheets (Parentheticals) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Accumulated Depreciation (in Dollars) (in Dollars)	$ 924,961	$ 643,472
Common stock, par value (in Dollars per share) (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in Shares) (in Shares)	75,000,000	75,000,000
Common stock, shares issued (in Shares) (in Shares)	37,967,708	33,899,057
Common stock, shares outstanding (in Shares) (in Shares)	37,302,785	33,186,325
Treasury stock, shares (in Shares) (in Shares)	664,923	712,732