Six Months Ended June 30, | Year Ended December 31, | |||||||||||||||||||||||
2015 | 2014 | 2013 | 2012 | 2011 | 2010 | |||||||||||||||||||
Ratio of Earnings to Fixed Charges | ||||||||||||||||||||||||
(Loss) income before income taxes | $ | (8,125 | ) | $ | 10,006 | $ | 2,404 | $ | (14,892 | ) | $ | (12,302 | ) | $ | (10,090 | ) | ||||||||
Add: Fixed charges | 4,369 | 9,337 | 17,534 | 26,741 | 7,814 | 4,344 | ||||||||||||||||||
(Loss) income before income taxes and fixed charges | $ | (3,756 | ) | $ | 19,343 | $ | 19,938 | $ | 11,849 | $ | (4,488 | ) | $ | (5,746 | ) | |||||||||
Fixed Charges: | ||||||||||||||||||||||||
Total interest expense | $ | 2,715 | $ | 6,990 | $ | 15,438 | $ | 24,541 | $ | 6,543 | $ | 3,241 | ||||||||||||
Interest factor in rents (1) | 1,654 | 2,347 | 2,096 | 2,200 | 1,271 | 1,103 | ||||||||||||||||||
Total fixed charges | $ | 4,369 | $ | 9,337 | $ | 17,534 | $ | 26,741 | $ | 7,814 | $ | 4,344 | ||||||||||||
Ratio of earnings to fixed charges | * | 2.1 | 1.1 | * | * | * | ||||||||||||||||||
* Deficiency of earnings available to cover fixed charges | $ | (8,125 | ) | $ | — | $ | — | $ | (14,892 | ) | $ | (12,302 | ) | $ | (10,090 | ) | ||||||||
Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends | ||||||||||||||||||||||||
(Loss) income before income taxes | $ | (8,125 | ) | $ | 10,006 | $ | 2,404 | $ | (14,892 | ) | $ | (12,302 | ) | $ | (10,090 | ) | ||||||||
Add: Fixed charges | 4,369 | 9,337 | 17,534 | 26,741 | 7,814 | 4,344 | ||||||||||||||||||
(Loss) income before income taxes and combined fixed charges and preferred stock dividends | $ | (3,756 | ) | $ | 19,343 | $ | 19,938 | $ | 11,849 | $ | (4,488 | ) | $ | (5,746 | ) | |||||||||
Fixed Charges: | ||||||||||||||||||||||||
Total interest expense | $ | 2,715 | $ | 6,990 | $ | 15,438 | $ | 24,541 | $ | 6,543 | $ | 3,241 | ||||||||||||
Interest factor in rents (1) | 1,654 | 2,347 | 2,096 | 2,200 | 1,271 | 1,103 | ||||||||||||||||||
Preferred stock dividends (2) | 22,473 | 28,740 | 11,518 | — | — | — | ||||||||||||||||||
Total combined fixed charges and preferred stock dividends | $ | 26,842 | $ | 38,077 | $ | 29,052 | $ | 26,741 | $ | 7,814 | $ | 4,344 | ||||||||||||
Ratio of earnings to combined fixed charges and preferred stock dividends | * | * | * | * | * | * | ||||||||||||||||||
* Deficiency of earnings available to cover fixed charges and preferred stock dividends | $ | (30,598 | ) | $ | (18,734 | ) | $ | (9,114 | ) | $ | (14,892 | ) | $ | (12,302 | ) | $ | (10,090 | ) | ||||||