Revolving Credit Facility	9 Months Ended
Sep. 30, 2018
Debt Disclosure [Abstract]
Revolving Credit Facility	6. Revolving Credit Facility We entered into a Loan, Security and Guaranty Agreement (the “Citizens Loan Agreement”), dated as of February 24, 2017, with Citizens Bank, National Association as a lender, and as administrative agent, collateral agent, and issuing bank, which provides for an asset-based revolving credit facility (the “ABL Facility”) of up to $20 million and an equipment loan facility in the maximum principal amount of $2.0 million. Each loan under the ABL Facility bears interest, at our option, at either the Base Rate, as defined in the Citizens Loan Agreement, plus a margin ranging from 1.0% to 1.5% (6.50% as of September 30, 2018), or the LIBOR lending rate for the interest period in effect, plus a margin ranging from 2.0% to 2.5% (4.46% as of September 30, 2018). The maturity date of the ABL Facility is February 24, 2022. Loans under the equipment loan facility may be requested at any time until February 24, 2019. Each loan under the equipment loan facility bears interest, at our option, at either the Base Rate, as defined in the Citizens Loan Agreement, plus 2.00%, or the LIBOR lending rate for the interest period in effect, plus 3.00%. The maturity date of the equipment loan facility is February 24, 2022. The ABL Facility contains certain specific financial covenants regarding a minimum liquidity requirement and a minimum fixed charge coverage ratio. In addition, the ABL Facility contains negative covenants limiting, among other things, additional indebtedness, transactions with affiliates, additional liens, sales of assets, dividends, investments and advances, mergers and acquisitions, and other matters customarily restricted in such agreements. The amount of interest expense related to borrowings for the three months ended September 30, 2018 and 2017 was $81,644 and $100,511, respectively. The amount of interest expense related to borrowings for the nine months ended September 30, 2018 and 2017 was $247,071 and $297,870, respectively. Debt issuance cost of $469,507 is being amortized to interest expense over the life of the ABL Facility beginning March 1, 2017. As of September 30, 2018, the unamortized portion of the debt issuance costs was $320,830. The amount of interest expense related to the amortization of the discount on the ABL Facility for the nine months ended September 30, 2018 was $70,426. As of September 30, 2018, the ABL Facility borrowing base availability was $11,974,000 and the outstanding liability was $4,934,877, net of unamortized debt issuance cost of $320,830. There were no draws made on the equipment loan facility as of September 30, 2018.

6. Revolving Credit Facility

We entered into a Loan, Security and Guaranty Agreement (the “Citizens Loan Agreement”), dated as of February 24, 2017, with Citizens Bank, National Association as a lender, and as administrative agent, collateral agent, and issuing bank, which provides for an asset-based revolving credit facility (the “ABL Facility”) of up to $20 million and an equipment loan facility in the maximum principal amount of $2.0 million.

Each loan under the ABL Facility bears interest, at our option, at either the Base Rate, as defined in the Citizens Loan Agreement, plus a margin ranging from 1.0% to 1.5% (6.50% as of September 30, 2018), or the LIBOR lending rate for the interest period in effect, plus a margin ranging from 2.0% to 2.5% (4.46% as of September 30, 2018). The maturity date of the ABL Facility is February 24, 2022.

Loans under the equipment loan facility may be requested at any time until February 24, 2019. Each loan under the equipment loan facility bears interest, at our option, at either the Base Rate, as defined in the Citizens Loan Agreement, plus 2.00%, or the LIBOR lending rate for the interest period in effect, plus 3.00%. The maturity date of the equipment loan facility is February 24, 2022.

The ABL Facility contains certain specific financial covenants regarding a minimum liquidity requirement and a minimum fixed charge coverage ratio. In addition, the ABL Facility contains negative covenants limiting, among other things, additional indebtedness, transactions with affiliates, additional liens, sales of assets, dividends, investments and advances, mergers and acquisitions, and other matters customarily restricted in such agreements.

The amount of interest expense related to borrowings for the three months ended September 30, 2018 and 2017 was $81,644 and $100,511, respectively. The amount of interest expense related to borrowings for the nine months ended September 30, 2018 and 2017 was $247,071 and $297,870, respectively. Debt issuance cost of $469,507 is being amortized to interest expense over the life of the ABL Facility beginning March 1, 2017. As of September 30, 2018, the unamortized portion of the debt issuance costs was $320,830. The amount of interest expense related to the amortization of the discount on the ABL Facility for the nine months ended September 30, 2018 was $70,426. As of September 30, 2018, the ABL Facility borrowing base availability was $11,974,000 and the outstanding liability was $4,934,877, net of unamortized debt issuance cost of $320,830. There were no draws made on the equipment loan facility as of September 30, 2018.