Certain of the 2019 Variable Rate Convertible Notes have maturity dates prior to March 31, 2021 and could be classified as a current liability. However, it is the Company’s expectation that we will either re-finance these convertible notes to longer terms, pay off such amounts with the proceeds of long-term financing, or permit a limited amount of conversions. Therefore, we have classified these notes as noncurrent. If we do not re-finance these convertible notes to longer terms, however, the holders of the convertible notes have the option to convert these notes into equity or hold the convertible notes to maturity. Dangerous - permitting conversions