urred total interest expense of $15.9 million, of which $2.0 million was capitalized during the period related to the Heartland facility build out. The Amended Facility contains both restrictive operating and financial covenants, including a secured leverage ratio (defined as. with certain adjustments. the ratio of

riods ended March 31, 2014 and March 31, 2015, the Company recorded amortization expense for deferred debt issuance costs of approximately $30,000. The Amended Facility contains and defines financial covenants, including a secured leverage ratio (defined as, with certain adjustments. the ratio of (i) the Company's i