Assets for Lease, net - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Assets for Lease, net
Lease revenue	$ 7,889	$ 7,194
Depreciation expense	108	113
Reduction to accumulated depreciation for returned items	90	141
Loss on disposal of assets for lease	$ (74)	$ (83)

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details