Discontinued Operations - (Details Narrative)					12 Months Ended
	Feb. 15, 2019 USD ($)	Aug. 16, 2018 USD ($) shares	Aug. 13, 2018 USD ($)	Jan. 04, 2016 USD ($) Integer	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Feb. 19, 2020 USD ($)	Dec. 28, 2018 USD ($)	Sep. 28, 2017 USD ($)	Jan. 23, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets of discontinued operations						$ 2,400,000
Current liabilities of discontinued operations						4,600,000
GlassBridge Pledge Agreement [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Original principal amount									$ 4,000,000
NXSN-Humilis Agreement [Member] | Share Option [Member] | Common Stock [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Option to purchase shares | shares		140,000,500
NXSN-Humilis Agreement [Member] | Share Option [Member] | Preferred Stock [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Option to purchase shares | shares		5,600,000
Stock Purchase Agreement [Member] | StorCentric, Inc. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross proceeds amount of stock options		$ 5,675,000
IOENGINE Pre-Payment Agreement [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Repayments of notes payable			$ 2,250,000
Purchase Agreement [Member] | Hilco IP Services LLC [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale of business, total consideration								$ 950,000
Letter Agreement [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Escrow deposit	$ 200,000
Escrow deposit disbursements related to property sales	$ 750,000
NXSN Acquisition Corp. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncontrolling interest, percentage held by parent										50.00%
NXSN Acquisition Corp. [Member] | Senior Secured Convertible Note [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Original principal amount										$ 25,000,000
Imation Subsidiaries [Member] | Securities Purchase Agreement [Member] | IMN Capital Holdings, Inc., [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Increase (Decrease) in net income of discontinued operations					14,200,000
Discontinued Operations, Disposed of by Sale [Member] | DPI Inc [Member] | Trademarks [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of trademarks sold (trademark) | Integer				2
Sale of trademarks				$ 9,400,000
Discontinued Operations, Disposed of by Sale [Member] | Nexsan Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale of business, total consideration		650,000
Escrow deposit		$ 650,000
Escrow deposit duration		18 months
Cash received after payment and deductions		$ 2,775,000
Discontinued Operations, Disposed of by Sale [Member] | Nexsan Sale [Member] | Subsequent Event [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Escrowed funds net of claims							$ 610,750
Discontinued Operations, Disposed of by Sale [Member] | Imation Subsidiaries [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Increase (Decrease) in net income of discontinued operations					1,100,000
Restructuring and other cost include net loss attributable to noncontolling interest						600,000
Disposal group, including discontinued operation, depreciation and amortization					0	300,000
Disposal group, including discontinued operation, lease expense					0	500,000
Discontinued operation, tax effect of income (loss) from discontinued operation during phase-out period					1,000,000	300,000
Current assets of discontinued operations					0	2,400,000
Disposal group, including discontinued operation, accounts receivable, net						700,000
Disposal group, including discontinued operation, funds held in escrow						1,000,000
Disposal group, including discontinued operation, other current assets						700,000
Current liabilities of discontinued operations					0	4,600,000
Disposal group, including discontinued operation, accounts payable						1,700,000
Disposal group, including discontinued operation, other current liabilities						2,200,000
Other liabilities of discontinued operations					$ 0	2,200,000
Withholding tax of discontinued operations						500,000
Tax contingencies of discontinued operations						600,000
Other liabilities of discontinued operations, other						1,100,000
Discontinued Operations, Disposed of by Sale [Member] | Imation Subsidiaries [Member] | CMC Magnetic Corp. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, including discontinued operation, due to related party						$ 1,000,000