Credit Facilities	3 Months Ended
Mar. 31, 2017
Debt Disclosure [Abstract]
Credit Facilities	9. Credit Facilities Below is a description of the Company’s former and existing revolving credit facilities and other financing arrangements. Former Revolving Credit Agreement On March 28, 2014, the Company entered into a $72.5 million revolving credit and security agreement (“Credit Agreement”) with PNC Bank, National Association, as administrative agent and collateral agent. The revolving credit facility under the Credit Agreement had a maturity date of March 28, 2019. On November 9, 2016, the former revolving credit facility was paid in full and terminated using a portion of the proceeds from the IPO. As of March 31, 2017 and December 31, 2016, $0 and $132, respectively, of interest expense were capitalized into property, plant and equipment in the consolidated balance sheets. Existing Revolving Credit Facility On December 8, 2016, the Company entered into a $45 million three-year senior secured Revolving Credit Facility (the “Facility”) with Jefferies Finance LLC as administrative and collateral agent. Substantially all of the assets of the Company are pledged as collateral under the Facility. The Facility expires on December 8, 2019 and has the following terms and conditions (the “New Credit Agreement”): Letters of Credit: A portion of the Facility, not in excess of $10 million, is available for the issuance of letters of credit to be issued by the administrative agent or any other lender approved by the administrative agent and the Company that is willing to become a letter of credit issuer. A per annum fee equal to the interest rate margin for LIBOR loans under the Facility will be payable to the lenders (other than a defaulting lender (as defined in the New Credit Agreement) which has not provided cash collateral for its pro rata share of any letter of credit exposure) and accrue on the aggregate undrawn face amount of outstanding letters of credit under the facility, payable in arrears at the end of each quarter and on the date the commitments under the Facility are terminated, calculated based upon the actual number of days elapsed over a 360-day year. Additionally, a fronting fee equal to 0.25% per annum will be payable to the applicable letter of credit issuer payable on the aggregate undrawn face amount of outstanding letters of credit issued by such issuer under the facility, payable in arrears at the end of each quarter and on the date the commitments under the Facility are terminated, calculated based upon the actual numbers of days elapsed over a 360-day year. Commitment Fees: The Company will pay each lender under the Facility (other than a defaulting lender (as defined in the New Credit Agreement)) a commitment fee of 0.375% per annum on the average daily unused portion of the Facility, payable in arrears at the end of each quarter and on the date the commitments under the Facility are terminated, calculated based upon the actual number of days elapsed over a 360-day year. Interest Rates: The interest rates under the Facility will be based on the leverage ratio (as defined in the New Credit Agreement) for the most recently ended fiscal quarter. Interest will be payable in arrears (a) for loans accruing interest at a rate based on LIBOR (plus an applicable margin ranging from 3.00% - 4.00%, depending on the leverage ratio), at the end of each interest period and, for interest periods of greater than three months, every three months, and on the maturity date of the Facility and (b) for loans accruing interest based on the ABR (plus an applicable margin ranging from 2.00% - 3.00%, depending on the leverage ratio), quarterly in arrears and on the maturity date of the Facility. Default Rate: Upon the occurrence and during the continuance of any payment event of default, with respect to overdue principal and interest, the applicable interest rate plus 2.00% per annum, and with respect to overdue fees, the interest rate applicable to ABR loans plus 2.00% per annum, and in each case will be payable on demand. The Facility contains various reporting requirements, negative covenants, restrictive provisions and requires maintenance of financial covenants, including a fixed charge coverage ratio and a leverage ratio (each as defined in the New Credit Agreement). As of March 31, 2017, no amounts were outstanding under the Facility and the Company was in compliance with all covenants.

9. Credit Facilities

Below is a description of the Company’s former and existing revolving credit facilities and other financing arrangements.

Former Revolving Credit Agreement

On March 28, 2014, the Company entered into a $72.5 million revolving credit and security agreement (“Credit Agreement”) with PNC Bank, National Association, as administrative agent and collateral agent. The revolving credit facility under the Credit Agreement had a maturity date of March 28, 2019. On November 9, 2016, the former revolving credit facility was paid in full and terminated using a portion of the proceeds from the IPO.

As of March 31, 2017 and December 31, 2016, $0 and $132, respectively, of interest expense were capitalized into property, plant and equipment in the consolidated balance sheets.

Existing Revolving Credit Facility

On December 8, 2016, the Company entered into a $45 million three-year senior secured Revolving Credit Facility (the “Facility”) with Jefferies Finance LLC as administrative and collateral agent. Substantially all of the assets of the Company are pledged as collateral under the Facility. The Facility expires on December 8, 2019 and has the following terms and conditions (the “New Credit Agreement”):

Letters of Credit: A portion of the Facility, not in excess of $10 million, is available for the issuance of letters of credit to be issued by the administrative agent or any other lender approved by the administrative agent and the Company that is willing to become a letter of credit issuer. A per annum fee equal to the interest rate margin for LIBOR loans under the Facility will be payable to the lenders (other than a defaulting lender (as defined in the New Credit Agreement) which has not provided cash collateral for its pro rata share of any letter of credit exposure) and accrue on the aggregate undrawn face amount of outstanding letters of credit under the facility, payable in arrears at the end of each quarter and on the date the commitments under the Facility are terminated, calculated based upon the actual number of days elapsed over a 360-day year. Additionally, a fronting fee equal to 0.25% per annum will be payable to the applicable letter of credit issuer payable on the aggregate undrawn face amount of outstanding letters of credit issued by such issuer under the facility, payable in arrears at the end of each quarter and on the date the commitments under the Facility are terminated, calculated based upon the actual numbers of days elapsed over a 360-day year.

Commitment Fees: The Company will pay each lender under the Facility (other than a defaulting lender (as defined in the New Credit Agreement)) a commitment fee of 0.375% per annum on the average daily unused portion of the Facility, payable in arrears at the end of each quarter and on the date the commitments under the Facility are terminated, calculated based upon the actual number of days elapsed over a 360-day year.

Interest Rates: The interest rates under the Facility will be based on the leverage ratio (as defined in the New Credit Agreement) for the most recently ended fiscal quarter. Interest will be payable in arrears (a) for loans accruing interest at a rate based on LIBOR (plus an applicable margin ranging from 3.00% - 4.00%, depending on the leverage ratio), at the end of each interest period and, for interest periods of greater than three months, every three months, and on the maturity date of the Facility and (b) for loans accruing interest based on the ABR (plus an applicable margin ranging from 2.00% - 3.00%, depending on the leverage ratio), quarterly in arrears and on the maturity date of the Facility.

Default Rate: Upon the occurrence and during the continuance of any payment event of default, with respect to overdue principal and interest, the applicable interest rate plus 2.00% per annum, and with respect to overdue fees, the interest rate applicable to ABR loans plus 2.00% per annum, and in each case will be payable on demand.

The Facility contains various reporting requirements, negative covenants, restrictive provisions and requires maintenance of financial covenants, including a fixed charge coverage ratio and a leverage ratio (each as defined in the New Credit Agreement). As of March 31, 2017, no amounts were outstanding under the Facility and the Company was in compliance with all covenants.