Nature of Operations and Summary of Significant Accounting Policies (Details) - USD ($)	Jul. 31, 2022	Jun. 30, 2022	Apr. 28, 2022	Dec. 31, 2021	Jun. 30, 2021	Jan. 01, 2021
Product Warranty Liability [Line Items]
Assets		$ 97,740,000		$ 169,175,000
Cash and cash equivalents		16,273,000		104,831,000	$ 74,690,000
Liabilities		155,569,000		136,728,000
Convertible notes payable		84,538,000
Notes payable		14,016,000
Other long-term debt		5,581,000
Accumulated deficit		(519,005,000)		(416,527,000)
Operating lease right-of-use asset, net		4,772,000		$ 3,468,000		$ 3,662,000
Present value of minimum lease payments		$ 5,718,000				$ 4,465,000
Atlas Senior Term Loan Facility | Subsequent event
Product Warranty Liability [Line Items]
Maximum borrowing capacity	$ 85,106,000
Standby Equity Purchase Agreement
Product Warranty Liability [Line Items]
Common stock standby equity purchase agreement			$ 200,000,000