Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 216	$ 140
Convertible preferred stock, par value (USD per share)	$ 0.0001	$ 0.0001
Convertible preferred stock, shares authorized	1,000,000	1,000,000
Convertible preferred stock, shares issued	0	0
Convertible preferred stock, shares outstanding	0	0
Common stock, par value (USD per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized	11,200,000	11,200,000
Common stock, shares issued	4,754,000	4,685,000
Common stock, shares outstanding	4,754,000	4,685,000