Organization and Summary of Significant Accounting Policies [Line Items]

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Standard Product Warranty, Term

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Amount of allowance for credit loss on accounts receivable.

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Amount of direct write-downs of accounts receivable charged against the allowance.

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Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of valuation reserve for inventory.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Cash payments to lessor's for use of assets under operating leases.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Organization and Summary of Significant Accounting Policies - Narrative (Details)	1 Months Ended	8 Months Ended	12 Months Ended
	Jan. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)
Organization and Summary of Significant Accounting Policies [Line Items]
Cash and cash equivalents and marketable securities			$ 164,007,000
Number of reportable segments \| segment			1
Restricted cash		$ 1,223,000	$ 2,150,000	$ 1,223,000
Rental payments		928,000
Available letter of credit		1,223,000		1,223,000
Allowance for doubtful accounts		0		0
Accounts receivable write-offs			0	0
Inventory allowance		298,000	1,122,000	298,000
Impairment charges			$ 0	0
Term of standard product warranties			1 year
Contract assets			$ 0
Interest and penalties recorded related to unrecognized tax benefits		$ 0	$ 0	$ 0
Minimum
Organization and Summary of Significant Accounting Policies [Line Items]
Useful life of property and equipment			3 years
Minimum \| Cumulative Effect, Period of Adoption, Adjustment \| Pro Forma
Organization and Summary of Significant Accounting Policies [Line Items]
ROU assets			$ 16,050,000
Maximum
Organization and Summary of Significant Accounting Policies [Line Items]
Useful life of property and equipment			7 years
Maximum \| Cumulative Effect, Period of Adoption, Adjustment \| Pro Forma
Organization and Summary of Significant Accounting Policies [Line Items]
Operating liabilities			$ 19,692,000
Accounts Receivable \| Customer Concentration Risk \| Customer One
Organization and Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage (more than)			10.00%	10.00%
Accounts Receivable \| Customer Concentration Risk \| Customer Three
Organization and Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage (more than)				10.00%
Accounts Receivable \| Customer Concentration Risk \| Customer Four
Organization and Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage (more than)				10.00%
Accounts Payable \| Supplier Concentration Risk \| Vendor One
Organization and Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage (more than)			10.00%	10.00%
Accounts Payable \| Supplier Concentration Risk \| Vendor Two
Organization and Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage (more than)			10.00%	10.00%
Accounts Payable \| Supplier Concentration Risk \| Vendor Three
Organization and Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage (more than)				10.00%
Letter of Credit
Organization and Summary of Significant Accounting Policies [Line Items]
Maximum capacity			$ 2,150,000
Replenishment of letter of credit	$ 928,000