UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Common Stock IPass	AOCI Attributable to Parent	Accumulated Deficit
Balance, beginning of period at Dec. 31, 2018		$ 453,995		$ (6,716)	$ (317,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued for acquisition	$ 28,610		$ 28,610
Warrant exercises		680
Shares issued for conversion of note		147
Share-based compensation		5,029
Warrants issued		803
Shares issued in connection with debt facility		1,607
Shares issued for settlement of accounts payable/debt		960
Shares issued for exercised stock options		70
Foreign currency translation loss, net of tax				(3,150)
Net loss	(15,834)				(15,834)
Balance, end of period at Mar. 31, 2019	149,055	491,901		(9,866)	(332,980)
Balance, beginning of period at Dec. 31, 2018		453,995		(6,716)	(317,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(222,300)
Balance, end of period at Dec. 31, 2019	(1,562)	547,948		(10,017)	(539,493)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued for acquisition	0
Share-based compensation		2,395
Warrants issued		653
Net loss	(9,424)				(9,424)
Balance, end of period at Mar. 31, 2020	$ (7,938)	$ 550,996		$ (10,017)	$ (548,917)