LONG-TERM DEBT	3 Months Ended
Mar. 31, 2018
LONG TERM DEBT
LONG-TERM DEBT	(7) LONG-TERM DEBT Building Purchase Mortgage During June 2015, the Company entered into a $5.1 million credit agreement with an unrelated third-party financial institution to finance the purchase of a facility located in Madison, Wisconsin. The credit agreement is collateralized by the acquired building. Borrowings under the credit agreement bear interest at 4.15%. The Company made interest-only payments on the outstanding principal balance for the period between July 12, 2015 and September 12, 2015. Beginning on October 12, 2015 and continuing through May 12, 2019, the Company is required to make monthly principal and interest payments of $31,000. The final principal and interest payment due on the maturity date of June 12, 2019 is $4.4 million. Additionally, the Company has recorded $73,000 in mortgage issuance costs, which are recorded as a direct deduction from the mortgage liability. The issuance costs are being amortized through June 12, 2019. The Company has recorded $4,000 in amortization of mortgage issuance costs for each of the three months ended March 31, 2018 and 2017. Revolving Loan Agreement During December 2017, the Company entered into a revolving loan agreement with MB Financial Bank, N.A. (“MB Bank”). The revolving loan agreement provides the Company with a 24-month secured revolving credit facility of up to $15.0 million. The credit facility is collateralized by the Company’s accounts receivable and inventory. The credit facility is available for general working capital purposes and all other lawful corporate purposes; provided that the Company may not use the credit facility to purchase or carry margin stock. Borrowings under the revolving loan agreement accrue interest at one of the following per annum rates, as elected by the Company (i) the sum of the 1-month LIBOR rate plus 2.00 percent, (ii) the sum of the 3-month LIBOR rate plus 2.00 percent, or (iii) the MB Bank Reference Rate minus 0.5 percent. Loans under the credit facility may be prepaid at any time without penalty. The maturity date of the loan under the revolving credit agreement is December 10, 2019. The Company has agreed to various financial covenants including minimum liquidity and minimum tangible net worth. At March 31, 2018, the Company is in compliance with all covenants. As of March 31, 2018, the Company has not drawn any funds from the revolving credit agreement, and no amounts are outstanding under the loan agreement. Construction Loan Agreement During December 2017, the Company entered into a loan agreement with MB Bank, which provides the Company with a non-revolving construction loan of $25.6 million. The Company expects to use the loan proceeds to finance the construction of an additional clinical laboratory and related facilities in Madison, Wisconsin. The non-revolving construction loan is collateralized by the additional clinical laboratory and related facilities. Pursuant to the construction loan agreement, funds drawn will bear interest at a rate equal to the sum of the 1-month LIBOR rate plus 2.25 percent. Regular monthly payments are interest-only for the first 24 months, with further payments based on a 20-year amortization schedule. Amounts borrowed pursuant to this loan agreement may be prepaid at any time without penalty. The maturity date of this loan agreement is December 10, 2022. MB Bank, on behalf of the Company, previously issued an Irrevocable Standby Letter of Credit in the amount of $0.6 million in favor of the City of Madison, Wisconsin, which is deemed to have been issued pursuant to the construction loan agreement (the “City Letter of Credit”). The amount of the City Letter of Credit will reduce, dollar for dollar, the amount available for borrowing under the construction loan agreement. As a condition to MB Bank’s initial advance of loan proceeds under the loan agreement, the Company is required to first invest at least $16.4 million of its own cash into the construction project. The Company expects to fulfill its required initial investment and draw on the $25.6 million during 2018, however, the Company is not able to estimate the future principal and interest payments, as they depend on the timing of the initial draw. As of March 31, 2018, the Company has invested $2.3 million into the construction project, and has not drawn any funds from the non-revolving construction loan. Additionally, the Company has recorded deferred financing costs of $0.2 million. These deferred financing costs are recorded as a reduction to long-term debt in the condensed consolidated balance sheets. The Company has agreed to various financial covenants including minimum liquidity and minimum tangible net worth. As of March 31, 2018, the Company is in compliance with all covenants.

(7) LONG-TERM DEBT

Building Purchase Mortgage

During June 2015, the Company entered into a $5.1 million credit agreement with an unrelated third-party financial institution to finance the purchase of a facility located in Madison, Wisconsin. The credit agreement is collateralized by the acquired building.

Borrowings under the credit agreement bear interest at 4.15%. The Company made interest-only payments on the outstanding principal balance for the period between July 12, 2015 and September 12, 2015. Beginning on October 12, 2015 and continuing through May 12, 2019, the Company is required to make monthly principal and interest payments of $31,000. The final principal and interest payment due on the maturity date of June 12, 2019 is $4.4 million.

Additionally, the Company has recorded $73,000 in mortgage issuance costs, which are recorded as a direct deduction from the mortgage liability. The issuance costs are being amortized through June 12, 2019. The Company has recorded $4,000 in amortization of mortgage issuance costs for each of the three months ended March 31, 2018 and 2017.

Revolving Loan Agreement

During December 2017, the Company entered into a revolving loan agreement with MB Financial Bank, N.A. (“MB Bank”). The revolving loan agreement provides the Company with a 24-month secured revolving credit facility of up to $15.0 million. The credit facility is collateralized by the Company’s accounts receivable and inventory. The credit facility is available for general working capital purposes and all other lawful corporate purposes; provided that the Company may not use the credit facility to purchase or carry margin stock.

Borrowings under the revolving loan agreement accrue interest at one of the following per annum rates, as elected by the Company (i) the sum of the 1-month LIBOR rate plus 2.00 percent, (ii) the sum of the 3-month LIBOR rate plus 2.00 percent, or (iii) the MB Bank Reference Rate minus 0.5 percent. Loans under the credit facility may be prepaid at any time without penalty. The maturity date of the loan under the revolving credit agreement is December 10, 2019.

The Company has agreed to various financial covenants including minimum liquidity and minimum tangible net worth. At March 31, 2018, the Company is in compliance with all covenants.

As of March 31, 2018, the Company has not drawn any funds from the revolving credit agreement, and no amounts are outstanding under the loan agreement.

Construction Loan Agreement

During December 2017, the Company entered into a loan agreement with MB Bank, which provides the Company with a non-revolving construction loan of $25.6 million. The Company expects to use the loan proceeds to finance the construction of an additional clinical laboratory and related facilities in Madison, Wisconsin. The non-revolving construction loan is collateralized by the additional clinical laboratory and related facilities.

Pursuant to the construction loan agreement, funds drawn will bear interest at a rate equal to the sum of the 1-month LIBOR rate plus 2.25 percent. Regular monthly payments are interest-only for the first 24 months, with further payments based on a 20-year amortization schedule. Amounts borrowed pursuant to this loan agreement may be prepaid at any time without penalty. The maturity date of this loan agreement is December 10, 2022.

MB Bank, on behalf of the Company, previously issued an Irrevocable Standby Letter of Credit in the amount of $0.6 million in favor of the City of Madison, Wisconsin, which is deemed to have been issued pursuant to the construction loan agreement (the “City Letter of Credit”). The amount of the City Letter of Credit will reduce, dollar for dollar, the amount available for borrowing under the construction loan agreement.

As a condition to MB Bank’s initial advance of loan proceeds under the loan agreement, the Company is required to first invest at least $16.4 million of its own cash into the construction project. The Company expects to fulfill its required initial investment and draw on the $25.6 million during 2018, however, the Company is not able to estimate the future principal and interest payments, as they depend on the timing of the initial draw. As of March 31, 2018, the Company has invested $2.3 million into the construction project, and has not drawn any funds from the non-revolving construction loan.

Additionally, the Company has recorded deferred financing costs of $0.2 million. These deferred financing costs are recorded as a reduction to long-term debt in the condensed consolidated balance sheets.

The Company has agreed to various financial covenants including minimum liquidity and minimum tangible net worth. As of March 31, 2018, the Company is in compliance with all covenants.