Basis of Presentation - (Tables)

9 Months Ended

Sep. 30, 2019

Basis of Presentation [Abstract]

Schedule of cash flow, supplemental disclosures

The following table presents certain supplementary cash flows information for the nine months ended September 30, 2019 and 2018:

	Nine Months Ended September 30,
(In thousands)	2019		2018
Supplementary Cash Flows information:
Warrants exercised for common stock	$	104	$	3,538
Interest paid (net of interest capitalized)	6		1,161
Additions to equipment in process included in accounts payable	46		191
Right-of-use asset and lease liability recognized	2,338		—