Year Ended December 31,

2017

2016

2015

2014

2013

Ratio of Earnings to Fixed Charges

Earnings:

  Income (loss) before income taxes

$

(1,689)

$

(40,490)

$

8,988

$

22,507

$

5,712

  Add: fixed charges

22,886

21,101

13,979

4,594

2,989

Income (loss) before income taxes and fixed charges

$

21,197

$

(19,389)

$

22,967

$

27,101

$

8,701

Fixed Charges:

  Interest expensed and capitalized (1)

$

8,107

$

8,638

$

4,765

$

1,772

$

1,288

  Amortized premiums, discounts and capitalized expenses related to indebtedness

8,751

8,112

6,394

326

 -

  An estimate of the interest within rent expense (2)

6,028

2,820

2,496

1,701

Total fixed charges

$

22,886

$

21,101

$

13,979

$

4,594

$

2,989

Ratio of earnings to fixed charges

0.93

(0.92)

1.64

5.90

2.91

(1)

Amounts represent coupon interest, interest and fees related to the credit facility (as amended) and accretion on contingent consideration and purchase liability.

(2)

Interest is estimated by management to equal one‑third of minimum rent payments under operating leases.