Notes Payable (Tables)

3 Months Ended

Mar. 31, 2014

Debt Disclosure [Abstract]

Schedule of Notes Payable

Our notes payable are summarized as follows:     

	March 31, 2014	December 31, 2013
4.50% Convertible Notes due 2024 (a)	5,402	5,402
7.50% Senior Convertible Notes due 2016	55,481	55,500
7.50% Senior Exchange Convertible Notes due 2016	44,500	44,500

(a) These Notes were tendered and repaid on April 1, 2014, see Note 11--Subsequent Events.