Supplemental Balance Sheet Information (Details Narrative) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 30, 2020	Dec. 31, 2019	Dec. 31, 2018	Sep. 13, 2019
Other current assets		$ 1,100,000	$ 1,100,000
Investments in arrive			(900,000)
Unrealized gain on Arrive investment		12,100,000
Investments		14,800,000	4,000,000
Other assets and other investments		2,400,000	2,100,000
Pension liabilities		13,500,000
Other Assets [Member]
Minimum tax refund			1,100,000
Other Liabilities [Member]
Pension liabilities		13,500,000	23,000,000
Other Liabilities [Member] | George E. Hall [Member]
Notes payable		12,100,000
Other Liabilities [Member] | Joseph A. De Perio [Member]
Notes payable		5,500,000
NXSN Acquisition Corp. [Member]
Other current assets		2,800,000
Prepaid professional fees to related party		1,700,000
Tax redune to be received		500,000
Funds to related party		600,000
Other assets			300,000
Accrued professional services fees		500,000
Fees related to insurance professional services		700,000
Fees related to insurance other claims		400,000
NXSN Acquisition Corp. [Member] | Other Assets [Member]
Stock issued pursuant to acquisitions			700,000
Arrive LLP [Member]
Investments		1,200,000
Other assets			$ 4,000,000
Arrive LLP [Member] | Other Assets [Member]
Investments in arrive		14,800,000
Unrealized gain on Arrive investment		12,000,000
Mobius Fund SCA SICAV-RAIF [Member] | Other Assets [Member]
Investments in arrive		900,000
Other assets and other investments		2,400,000
Investment tax credit		500,000
Arrive Opportunity Fund I LP [Member] | Subsequent Event [Member]
Unrealized gain on Arrive investment	$ 1,300,000
Investments	$ 400,000
Orix PTP Holdings, LLC [Member]
Pension liabilities				$ 1,348,385
Orix PTP Holdings, LLC [Member] | Securities Purchase Agreement [Member]
Notes payable		$ 13,000,000