Summary of Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Product Information [Line Items]
Contract Assets - unbilled receivables	$ 208	$ 178
Total deferred revenue	8,589	8,515
Less: Long-term deferred revenue	(1,630)	(2,238)
Total current deferred revenue	6,959	6,277
Customer Deposits [Member]
Product Information [Line Items]
Total deferred revenue	1,234	925
Product Shipped Revenue Deferred [Member]
Product Information [Line Items]
Total deferred revenue	1,794	1,794
Deferred Service And License Fees [Member]
Product Information [Line Items]
Total deferred revenue	$ 5,561	$ 5,796