Debt (Details)								12 Months Ended
	Feb. 05, 2021 USD ($) Tranche	May 11, 2020 USD ($)	Apr. 20, 2020 USD ($)	Mar. 11, 2020 USD ($) $ / shares	Nov. 07, 2019	Jul. 01, 2019 USD ($)	Jul. 25, 2017	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jul. 01, 2022 USD ($)	Sep. 28, 2021 USD ($) $ / shares	Jul. 01, 2021 USD ($)	Jul. 01, 2020	May 10, 2020 USD ($)
Line Of Credit Facility [Line Items]
Term loan credit and security agreement entered date							Jul. 25, 2017
Borrowing base of finished goods inventory (as a percent)						40.00%
Borrowing base availability from finished goods inventory (as a percent)						20.00%
Additional interest (as a percent)							5.00%
Amortization of debt issuance costs and discounts								$ 3,587,000	$ 4,347,000	$ 359,000
Gain on extinguishment of PPP loan								$ 6,652,000
Paycheck Protection Program
Line Of Credit Facility [Line Items]
Debt maturity date			Apr. 20, 2022
Debt instrument interest rate			1.00%
Debt instrument principal			$ 6,700,000
Debt instrument, payment terms								Company made no payments until the date which forgiveness of the PPP Loan is determined, which can be up to 10 months following the end of the covered period (which is defined as 24 weeks from the date of the loan), or the Deferral Period. Commencing one month after the expiration of the Deferral Period, and continuing on the same day of each month until the Maturity Date, the Company would have paid to Lender monthly payments of principal and interest, in an amount required to fully amortize the principal amount outstanding on the PPP Loan on the last day of the Deferral Period by the Maturity Date.
Gain on extinguishment of PPP loan								$ 6,700,000
Convertible Note
Line Of Credit Facility [Line Items]
Carrying Value								47,477,000	44,436,000
Term Loan Credit and Security Agreement and Revolving Loan Credit and Security Agreement
Line Of Credit Facility [Line Items]
Agreements amended and restated date						Jul. 01, 2019
Restated Term Loan Agreement
Line Of Credit Facility [Line Items]
Agreements amended date					Nov. 07, 2019
Line of credit facility, remaining borrowing capacity	$ 15,000,000					$ 35,000,000			10,000,000.0
Debt maturity date						Jul. 01, 2024
Exit fee percentage to aggregate amount of all term loans funded						5.00%
Periodic commitment amount	$ 1,000,000	$ 15,000,000
Unfunded tranche revised number | Tranche	2
Debt instrument amendment fee	$ 750,000
Loan amount outstanding								16,000,000.0
Unamortized debt issuance costs								1,000,000.0
Restated Term Loan Agreement | Tranche 4
Line Of Credit Facility [Line Items]
Periodic commitment amount													$ 5,000,000
Restated Term Loan Agreement | Tranche 5 | Scenario Forecast
Line Of Credit Facility [Line Items]
Periodic commitment amount											$ 5,000,000
Restated Term Loan Agreement | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Spread on variable rate basis (as a percent)						7.50%
Additional Term Loan
Line Of Credit Facility [Line Items]
Line of credit facility, remaining borrowing capacity						$ 5,000,000			15,000,000.0
Minimum revenue required to satisfy additional term loan facility						$ 100,000,000.0
Term Amendment
Line Of Credit Facility [Line Items]
Prepaid principal amount		25,000,000.0
Accrued interest prepaid		100,000
Prepaid exit fee		1,250,000
Minimum unrestricted cash amount		5,000,000.0													$ 20,000,000.0
Term Amendment | Tranche 3
Line Of Credit Facility [Line Items]
Minimum revenue required to satisfy additional term loan facility		30,000,000.0
Periodic commitment amount		$ 15,000,000.0													$ 10,000,000.0
Revolving Loan
Line Of Credit Facility [Line Items]
Amount available under revolving loan								0
Debt maturity date						Jul. 01, 2024
Loan amount outstanding								2,200,000
Borrowing base of accounts receivable (as a percent)						85.00%
Revolving Loan | Maximum
Line Of Credit Facility [Line Items]
Loan amount outstanding						$ 10,000,000.0
Revolving Loan | Other Assets
Line Of Credit Facility [Line Items]
Unamortized debt issuance costs								46,000
Revolving Loan | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Spread on variable rate basis (as a percent)						4.50%
Term Loan and Revolving Loan
Line Of Credit Facility [Line Items]
Amortization of debt issuance costs								$ 500,000	900,000	$ 400,000
Deerfield Facility Agreement
Line Of Credit Facility [Line Items]
Derivative liability fair value												$ 41,000,000.0
Deerfield Facility Agreement | Convertible Note
Line Of Credit Facility [Line Items]
Term loan credit and security agreement entered date				Mar. 11, 2020
Debt maturity date				Mar. 11, 2025
Carrying Value				$ 60,000,000.0
Debt instrument interest rate				4.00%				12.00%						4.00%
Debt instrument conversion rate per principal amount				14,634
Debt instrument principal amount per conversion unit				$ 1,000
Debt instrument conversion price | $ / shares				$ 4.10
Debt instrument principal				$ 60,000,000.0
Minimum percentage of number of shares of common stock owned by conversion of debt instrument				4.985%
Minimum percentage of change in ownership percentage entitling lender to demand repayment of all outstanding debt				50.00%
Debt instrument, call feature								Deerfield has the option to demand repayment of all outstanding principal, and any unpaid interest accrued thereon, in connection with a Major Transaction (as defined in the Convertible Note), which shall include, among others, any acquisition or other change of control of the Company; the sale or transfer of assets of the Company equal to more than 50% of the Enterprise Value (as defined in the Convertible Note) of the Company; a liquidation, bankruptcy or other dissolution of the Company; or if at any time shares of the Company’s common stock are not listed on an Eligible Market (as defined in the Convertible Note). The Convertible Note is subject to specified events of default, the occurrence of which would entitle Deerfield to immediately demand repayment of all outstanding principal and accrued interest on the Convertible Note. Such events of default include, among others, failure to make any payment under the Convertible Note when due, failure to observe or perform any covenant under the Deerfield Facility Agreement or the other transaction documents related thereto (subject to a standard cure period), the failure of the Company to be able to pay debts as they come due, the commencement of bankruptcy or insolvency proceedings against the Company, a material judgement levied against the Company and a material default by the Company under the Convertible Note.
Unamortized debt discount and issuance costs								$ 12,500,000
Amortization of debt issuance costs and discounts								$ 3,000,000.0	$ 2,200,000
Deerfield Facility Agreement | Maximum
Line Of Credit Facility [Line Items]
Share price | $ / shares												$ 1.50
Deerfield Facility Agreement | Minimum
Line Of Credit Facility [Line Items]
Share price | $ / shares												$ 30.00