Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2020

Supplemental Cash Flow Elements [Abstract]

Schedule of Supplemental Cash Flow Information

	Three Months Ended March 31,				Years ended December 31,
	2020		2019		2019		2018		2017
	(Unaudited)
	(In thousands)
Supplemental disclosure
Cash payments for:
Income tax paid	$	(46)	$	25	$	226	$	176	$	350
	$	(46)	$	25	$	226	$	176	$	350
Schedule for noncash operating activities
Adoption of ASC 842 leases - Operating leases	$	—	$	—	$	17,658	$	—	$	—
	$	—	$	—	$	17,658	$	—	$	—
Schedule for noncash investing activities
Unpaid property, plant, and equipment received	$	1,091	$	622	$	2,571	$	1,288	$	602
	$	1,091	$	622	$	2,571	$	1,288	$	602
Schedule for noncash financing activities
Issuance of common stocks through "cashless" warrants exercised	$	341,001	$	—	$	—	$	—	$	—
Conversion of VGH, LLC membership units to VGH, Inc. common stock	—		—		114,648		—		—
Unpaid transaction costs	—		—		4,875		—		—
Adoption of ASC 842 leases - Finance leases	—		—		430		—		—
	$	341,001	$	—	$	119,953	$	—	$	—