CONDENSED BALANCE SHEETS (unaudited) (Parenthetical) - $ / shares	Sep. 30, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Preferred stock, authorized	5,000,000	5,000,000
Preferred stock, issued
Preferred stock, outstanding
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized	50,000,000	50,000,000
Common stock, issued	13,522,168	13,546,171
Common Stock, outstanding	13,488,714	13,546,171
Treasury stock, shares	33,454	0