Condensed Consolidated Statement of Changes in Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Retained Deficit	Treasury Stock
Beginning Balance at Dec. 31, 2012	$ 379,104	$ 568	$ 404,311	$ (15,010)	$ (10,765)
Beginning Balance, shares at Dec. 31, 2012	55,577,667	56,779,000			1,201,000
Stock Issued During Period, Shares, New Issues		9,778,000
Stock Issued During Period, Value, New Issues	149,069	98	148,971
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs	(7,389)		(7,389)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued to Board advisors	38	0	38	0	0
Common stock issued to Board advisors, shares		16,000
Stock options expense related to equity based awards	882	0	882	0	0
Liability based stock option awards forfeited or expired	114	0	114	0	0
Restricted stock issued		4	(4)	0	0
Restricted stock issued, shares		354,000
Restricted stock forfeited	(22)	0	(22)	0	0
Restricted stock forfeited, shares					101,000
Restricted stock and restricted stock units expense	1,150	0	1,150	0	0
Current period net loss	29,720	0	0	29,720	0
Ending Balance at Sep. 30, 2013	$ 552,666	$ 670	$ 548,051	$ 14,710	$ (10,765)
Ending Balance, shares at Sep. 30, 2013	55,837,912	66,927,000			1,302,000