Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2021

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

The following table provides supplemental cash flow information for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
(In thousands)	2021		2020
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash received during the period for interest	$	7	$	7
Cash paid during the period for interest	53		1
Cash paid during the period for income taxes	7		13
Operating cash outflows from operating leases	78		176
Operating cash outflows from finance leases (interest)	3		1
Financing cash outflows from finance leases	13		13
NONCASH FINANCING ACTIVITIES:
Right-of-use lease assets and financing	—		45
Warrants issued for settlement agreement	—		653
Shares issued for payment of interest	788		—