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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) (USD $)
Mar. 31, 2014
Dec. 31, 2013
Statement Of Financial Position [Abstract]    
Allowance for doubtful accounts $ 2,094,000 $ 1,738,000
Preferred stock, par value $ 0.01 $ 0.01
Preferred Stock, Authorized 0 1,000
Preferred Stock, Issued 0 1,000
Preferred Stock, Outstanding 0 1,000
Redeemable Common Stock, Par value $ 0.01 $ 0.01
Redeemable Common Stock, Authorized 0 5,850,000
Redeemable Common Stock, Issued 0 5,850,000
Redeemable Common Stock, Outstanding 0 5,850,000
Common Stock, Par value $ 0.01 $ 0.01
Common Stock, Authorized 100,000,000 27,200,862
Common Stock, Issued 30,601,401 16,183,901
Common Stock, Outstanding 30,601,401 16,183,901