Leases (Details) - USD ($) $ in Thousands	8 Months Ended	12 Months Ended
	Aug. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2020	Jan. 01, 2019
Maturities of operating lease receivables [Line Items]
Operating Lease, Weighted Average Remaining Lease Term		2 years	1 year 10 months 24 days
Operating Lease, Extension, Lease Term		6 months
Operating Lease, Right-of-Use Asset			$ 1,359			$ 2,100
Operating Lease, Liability		$ 75	1,394			$ 2,100
Medical devices [Member] | Minimum [Member]
Maturities of operating lease receivables [Line Items]
Lessor, Operating Lease, Term of Contract					1 year
Medical devices [Member] | Maximum [Member]
Maturities of operating lease receivables [Line Items]
Lessor, Operating Lease, Term of Contract					4 years
Discontinued Operations, Held-for-sale [Member]
Maturities of operating lease receivables [Line Items]
Operating Lease, Right-of-Use Asset			300
Operating Lease, Liability			300
Equipment Leased to Other Party [Member]
Maturities of operating lease receivables [Line Items]
Depreciation	$ 1,000		$ 2,100	$ 2,700