Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v2.4.0.8
Debt (Details) (USD $)
1 Months Ended 6 Months Ended
Jan. 30, 2013
Rate
Jun. 30, 2013
Rate
Inputs to lattice model used to value the embedded derivative    
Stock price $ 6.20 $ 7.10
Conversion Rate 141.4827 141.4827
Conversion Price $ 7.07 $ 7.07
Maturity date Feb. 01, 2033 Feb. 01, 2033
Risk-free interest rate 1.12% 1.57%
Estimated stock volatility 40.00% 35.00%
Estimated credit spread 9.44% 9.83%