| RATIO OF EARNINGS TO FIXED CHARGES: ($ in 000's) | YTD Sept 30, 2015 | Year End. 2014 | Year end. 2013 | Year End. 2012 | Year End. 2011 | Year End. 2010 | ||||||||||||
| Earnings: | ||||||||||||||||||
| Pretax (loss) income | (46,595 | ) | (43,533 | ) | (36,636 | ) | 79,930 | 52,221 | (48,887 | ) | ||||||||
| Add: | ||||||||||||||||||
| Interest expense | 6,760 | 8,584 | 2,192 | 485 | — | 17 | ||||||||||||
| Interest factor of rental expense | 470 | 627 | 396 | 297 | 297 | 211 | ||||||||||||
| Total Earnings | (39,365 | ) | (34,322 | ) | (34,048 | ) | 80,712 | 52,518 | (48,659 | ) | ||||||||
| Fixed Charges: | ||||||||||||||||||
| Interest expense | 6,760 | 8,584 | 2,192 | 485 | — | 17 | ||||||||||||
| Interest factor of rental expense | 470 | 627 | 396 | 297 | 297 | 211 | ||||||||||||
| Total fixed charges | 7,230 | 9,211 | 2,588 | 782 | 297 | 228 | ||||||||||||
| Surplus (deficiency) of earnings to cover fixed charges | (46,595 | ) | (43,533 | ) | (36,636 | ) | 79,930 | 52,221 | (48,887 | ) | ||||||||
| Ratio of earnings available to cover fixed charges | n/a | n/a | n/a | 102x | 176x | n/a | ||||||||||||
