Long Term Debt (Tables)
12 Months Ended
Dec. 31, 2019
Debt Disclosure [Abstract]  
Schedule of Debt
Our long-term debt, excluding operating lease liabilities and finance lease liabilities, consisted of the following amounts at the dates indicated:
December 31, 2019 December 31,
(in thousands)
3.0% note payable to a lender in relation to a four-year vehicle loan for the purchase of a truck used in operations. $ 18    $ 24   
Credit note with a lender for the purchase of our Corporate headquarters building with a maturity date of October 1, 2025. Interest on the principal balance outstanding on the note is due monthly at a rate of LIBOR plus 2.39% per annum.
8,297    8,460   
Convertible notes issued in December 2018 and in January 2019 —    40,200   
8,315    48,684   
Less unamortized debt issuance costs (119)   (140)  
Less current portion of long-term debt (178)   (168)  
Long-term debt, net, excluding operating leases and finance leases $ 8,018    $ 48,376