Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets
Allowance for Doubtful Accounts - Trade Receivables	$ 883	$ 1,326
Allowance for Doubtful accounts - Long Term Trade Receivables	$ 145	$ 196
Stockholders Equity
Preferred Stock par value	$ 0.001	$ 0.001
Preferred Stock Shares Authorized	5,000,000	5,000,000
Preferred Stock Issued	0	0
Common Stock par value	$ 0.001	$ 0.001
Common Stock Shares Authorized	100,000,000	100,000,000
Common Stock Outstanding	10,671,388	10,669,201