Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Statement Of Financial Position [Abstract]
Accounts receivable allowances (in dollars)
Common stock, par value (in dollars per share )	$ 0.01	$ 0.01
Common stock shares, authorized	245,000,000	245,000,000
Common stock shares, Issued	37,933,447	22,924,411
Treasury shares	165,906	165,906