CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Accounts receivable, allowance for doubtful accounts	$ 3,196	$ 1,824
Stockholders' Equity
Preferred Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, authorized (in shares)	5,000,000	5,000,000
Preferred Stock, issued (in shares)	0	0
Preferred Stock, outstanding (in shares)	0	0
Common Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, authorized (in shares)	50,000,000	50,000,000
Common Stock, issued (in shares)	18,821,728	10,256,364
Common Stock, outstanding (in shares)	18,821,728	10,256,364
Treasury Stock, at cost (in shares)	16,056	16,056