Property and Equipment, Net (Details) - USD ($) $ in Millions					3 Months Ended		6 Months Ended
	Jun. 23, 2022	May 23, 2022	Feb. 01, 2022	Jan. 31, 2022	Mar. 31, 2023	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Property and Equipment, Net [Line Items]
Capital expenditure							$ 0.0	$ 0.2
Cash				$ 15.8
Carrying value				6.7
Cost basis of building				4.8
Cost basis of land				1.3
Building improvements				0.8
Accumulated depreciation				0.2
Gain on sale of assets				8.4
Transaction cost				$ 0.7
Depreciation expense					$ 0.0	$ 0.1	$ 0.1	$ 0.6
Tucson Building lease [Member]
Property and Equipment, Net [Line Items]
Gross assets			$ 0.6
Net book value			$ 0.1
DragonWave-X Canada [Member]
Property and Equipment, Net [Line Items]
Gross assets		$ 8.5
Net book value		$ 0.0
Innovation Digital, LLC [Member]
Property and Equipment, Net [Line Items]
Gross assets	$ 0.1
Net book value	$ 0.1