Condensed Consolidated Balance Sheets - Parenthetical - $ / shares	Jun. 30, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	22,507,543	22,328,578
Common stock, shares outstanding (in shares)	22,507,543	22,328,578
Treasury Stock, Shares (in shares)	305,183	305,183