Notes Payable (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Schedule of notes payable

Notes payable is comprised of the following (in thousands):

	March 31, 2019		December 31, 2018
Notes payable, current portion
Capital equipment leases	$	—	$	16
Green Bank, net of issuance costs	274		295
Total notes payable, current portion	$	274	$	311
Notes payable, non-current portion
Capital equipment leases	$	—	$	31
Green Bank, net of issuance costs	8,610		8,569
Total notes payable, non-current portion	$	8,610	$	8,600