CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 599	$ 419
Preferred stock, par value (in dollars per share)	$ 0.05	$ 0.05
Preferred stock, shares authorized	4,000,000	4,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.05	$ 0.05
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	13,979,119	13,772,324
Common stock, shares outstanding	13,979,119	13,772,324