CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Accounts receivable, net of allowance for doubtful accounts	$ 2,520	$ 2,706
Stockholders' equity:
Preferred stock Series B-1,Par value	$ 0.0001	$ 0.0001
Preferred stock Series B-1,Stated value	100,000	100,000
Preferred stock Series B-1,Authorized	100	100
Preferred stock Series B-1,issued	100	100
Preferred stock Series B-1,outstanding	100	100
Preferred stock Series B-1,liquidation value	10,000	10,000
Preferred stock Series A-2,Par value	$ 0.0001	$ 0.0001
Preferred stock Series A-2,Stated value	7,500	7,500
Preferred stock Series A-2,Authorized	7,500	7,500
Preferred stock Series A-2,issued	94	1,059
Preferred stock Series A-2,outstanding	94	1,059
Preferred stock Series A-2,Liquidation value	$ 704	$ 7,945
Common stock,Par value	$ 0.0001	$ 0.0001
Common stock,Authorized	150,000,000	150,000,000
Common stock,issued	25,180,000	21,353,604
Common stock,outstanding	25,180,000	21,353,604