Acquisitions - Asset Purchase (Details) $ / shares in Units, € in Thousands		12 Months Ended
	Apr. 22, 2019 USD ($) $ / shares shares	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2019 EUR (€)	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)
Purchase consideration:
Shares issued to shareholders			$ 112,535,000
Liabilities:
Goodwill			$ 101,375,000		$ 10,099,000	$ 139,195,000	$ 139,195,000
Device Scape
Purchase consideration:
Cash consideration		$ 2,137,000
Shares issued to shareholders		1,692,000
Total Purchase Consideration		3,829,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 1,692,000				2,000
Business Acquisition, Share Price | $ / shares	$ 4.23
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares	400,000
Assets
Accounts receivable					71,000
Escrow receivable					200,000
Intangible assets					3,646,000
TOTAL ASSETS					3,917,000
Liabilities:
Accounts payable & other liabilities					88,000
Total liabilities					88,000
Estimated fair value of net assets acquired					3,829,000
iPass, Inc. Acquisition
Assets
Cash and cash equivalents					860,000
Accounts receivable					4,344,000
Property, plant and equipment					873,000
Other assets					4,890,000
Intangible assets					11,106,000
TOTAL ASSETS					22,073,000
Liabilities:
Accounts payable, accrued expenses and other current liabilities					17,207,000
Deferred revenue					1,700,000
Loans outstanding					9,989,000
Other liabilities					857,000
Total liabilities					29,753,000
Estimated fair value of net assets acquired					(7,680,000)
Goodwill					37,821,000
Artilium Plc [Member]
Purchase consideration:
Cash consideration		8,142,000
Shares issued to shareholders		112,535,000
Fair value of previously held equity investment		9,601,000
Total Purchase Consideration		$ 130,278,000
Assets
Cash and cash equivalents | €				€ 825
Current and long-term assets (including cash and cash equivalents of $825)					4,726,000
Intangible assets					40,800,000
TOTAL ASSETS					45,526,000
Liabilities:
Current and long-term liabilities					7,982,000
Deferred tax liabilities					8,641,000
Total liabilities					16,623,000
Estimated fair value of net assets acquired					28,903,000
Goodwill					$ 101,375,000