Debt	12 Months Ended
Dec. 31, 2017
Debt Disclosure [Abstract]
Debt	Debt New Debt Agreement On July 31, 2017, we entered into a Revolving Credit Loan Agreement with Pinnacle Bank ("Pinnacle Agreement"). The new agreement replaced the June 2014 Revolving Credit Loan Agreement with SunTrust Bank ("SunTrust Agreement") which was to expire on June 30, 2018. We had $9.8 million in borrowings under the Loan Agreement at December 31, 2017. The Pinnacle Agreement provides for an aggregate principal amount of up to $20 million and has a three-year term expiring on July 31, 2020. The initial revolving line of credit is up to $12 million with the ability to increase the borrowing amount up to $20 million, upon the satisfaction of certain conditions. As of December 31, 2017, the Company had $2.2 million available for borrowing under its revolving line of credit. The interest rate on the Pinnacle Agreement is based on LIBOR plus an interest rate spread. There is no LIBOR minimum and the LIBOR pricing provides for an interest rate spread of 1.75% to 2.75% (representing an interest rate of 3.3% at December 31, 2017). In addition, a fee of 0.25% per year is charged on the unused line of credit. Interest and the unused line fee are payable quarterly. Borrowings under the line of credit are collateralized by substantially all of our assets. Under the Pinnacle Agreement, we are subject to one financial covenant, the maintenance of a Funded Debt Ratio, as such term is defined in the agreement and determined on a quarterly basis. We achieved compliance with the Funded Debt Ratio covenant as of December 31, 2017 through the utilization of the covenant cure section of the agreement. There were no early termination penalties upon termination of the previous SunTrust Agreement and the Company incurred less than $0.1 million in deferred financing costs related to the new Pinnacle Agreement, which will be amortized to interest expense using the effective interest method over the term of that agreement. Previous Debt Agreement On June 26, 2014, the Company entered into a the SunTrust Agreement. On July 29, 2016, Cumberland amended the agreement to extend the original three-year term by an additional year. The agreement provided for an aggregate principal amount up to initial revolving line of credit is up to $20 million. The initial revolving line of credit was up to $12 million, with the ability to increase the borrowing amount up to $20 million, upon the satisfaction of certain conditions. The interest rate on the SunTrust Agreement was based on LIBOR plus an interest rate spread. There was no LIBOR minimum and the LIBOR pricing provided for an interest rate spread of 1.0% to 2.85%. In addition, a fee of 0.25% per year was charged on the unused line of credit. Interest expense and the unused line fee were payable quarterly. Borrowings under the line of credit were collateralized by substantially all of the Company's assets. Under the SunTrust Agreement, Cumberland was subject to certain financial covenants, including, but not limited to, maintaining a Funded Debt Ratio.

Debt

New Debt Agreement

On July 31, 2017, we entered into a Revolving Credit Loan Agreement with Pinnacle Bank ("Pinnacle Agreement"). The new agreement replaced the June 2014 Revolving Credit Loan Agreement with SunTrust Bank ("SunTrust Agreement") which was to expire on June 30, 2018. We had $9.8 million in borrowings under the Loan Agreement at December 31, 2017. The Pinnacle Agreement provides for an aggregate principal amount of up to $20 million and has a three-year term expiring on July 31, 2020. The initial revolving line of credit is up to $12 million with the ability to increase the borrowing amount up to $20 million, upon the satisfaction of certain conditions. As of December 31, 2017, the Company had $2.2 million available for borrowing under its revolving line of credit.

The interest rate on the Pinnacle Agreement is based on LIBOR plus an interest rate spread. There is no LIBOR minimum and the LIBOR pricing provides for an interest rate spread of 1.75% to 2.75% (representing an interest rate of 3.3% at December 31, 2017). In addition, a fee of 0.25% per year is charged on the unused line of credit. Interest and the unused line fee are payable quarterly. Borrowings under the line of credit are collateralized by substantially all of our assets.

Under the Pinnacle Agreement, we are subject to one financial covenant, the maintenance of a Funded Debt Ratio, as such term is defined in the agreement and determined on a quarterly basis. We achieved compliance with the Funded Debt Ratio covenant as of December 31, 2017 through the utilization of the covenant cure section of the agreement.

There were no early termination penalties upon termination of the previous SunTrust Agreement and the Company incurred less than $0.1 million in deferred financing costs related to the new Pinnacle Agreement, which will be amortized to interest expense using the effective interest method over the term of that agreement.

Previous Debt Agreement

On June 26, 2014, the Company entered into a the SunTrust Agreement. On July 29, 2016, Cumberland amended the agreement to extend the original three-year term by an additional year. The agreement provided for an aggregate principal amount up to initial revolving line of credit is up to $20 million. The initial revolving line of credit was up to $12 million, with the ability to increase the borrowing amount up to $20 million, upon the satisfaction of certain conditions.

The interest rate on the SunTrust Agreement was based on LIBOR plus an interest rate spread. There was no LIBOR minimum and the LIBOR pricing provided for an interest rate spread of 1.0% to 2.85%. In addition, a fee of 0.25% per year was charged on the unused line of credit. Interest expense and the unused line fee were payable quarterly. Borrowings under the line of credit were collateralized by substantially all of the Company's assets.

Under the SunTrust Agreement, Cumberland was subject to certain financial covenants, including, but not limited to, maintaining a Funded Debt Ratio.