Class Of Warrant Or Right, Quoted Price

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Debt Instrument, Drawdown Fee Percentage

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Debt Instrument, Premium Payment, Percentage of Amount Prepaid From Common Stock Issuance Proceeds

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Debt Instrument, Prepayment Premium, Percentage

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Debt Instrument, Subject To Closing Non Dilutive Financing, Amount

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Equity Line Of Credit, Floor Stock Price

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Equity Line Of Credit, Ownership Restriction, Percentage

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Equity Line Of Credit, Right To Sell Common Stock

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- Definition

Scientific Research And Experimental Development Investment Tax Credit

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Working Capital (Deficit)

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Number of warrants or rights outstanding.

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Face amount or stated value per share of common stock.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of investment in equity security without readily determinable fair value.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		12 Months Ended
	Apr. 13, 2023	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Feb. 13, 2023	Jun. 16, 2022
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Research and development		$ 10,915	$ 6,802
Interest expense		(454)	(525)
Accumulated deficit		401,405		$ 376,797
Net loss		24,608	11,657
Net cash outflows from operations		13,574	9,509
Cash		8,988		$ 7,065
Working capital deficit		$ 3,200
Debt Instrument [Line Items]
ELOC, right to sell common stock					$ 35,000	$ 150,000
Common stock, par value (in usd per share)		$ 0.0001		$ 0.0001		$ 0.0001
ELOC, ownership restriction percentage						9.90%
ELOC, floor stock price (in usd per share)						$ 1.00
Proceeds from stock issuance		$ 15,700
Issuance of stock (in shares)		13,239,654
Marketable investments		$ 1,200		$ 1,200
Warrants, quoted price (in usd per share)		$ 0.07
Warrants outstanding (in shares)		17,916,609
SR&ED investment tax credit		$ 0	$ 400
Revision of Prior Period, Error Correction, Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Research and development				300
Interest expense				$ 300
Term Loan \| Line of Credit \| Subsequent Event
Debt Instrument [Line Items]
Face amount	$ 50,000
Drawdown fee percentage	2.00%
Interest rate	10.00%
Interest rate, PIK	11.00%
Premium payment, percentage of amount prepaid from common stock issuance proceeds	10.00%
Term Loan \| Line of Credit \| Subsequent Event \| Debt repayment period one
Debt Instrument [Line Items]
Prepayment premium percentage	3.00%
Term Loan \| Line of Credit \| Subsequent Event \| Debt repayment period two
Debt Instrument [Line Items]
Prepayment premium percentage	2.00%
Term Loan \| Line of Credit \| Subsequent Event \| Debt repayment period three
Debt Instrument [Line Items]
Prepayment premium percentage	1.00%
Term Loan \| Line of Credit \| Subsequent Event \| Debt tranche one
Debt Instrument [Line Items]
Face amount	$ 15,000
Term Loan \| Line of Credit \| Subsequent Event \| Debt tranche two
Debt Instrument [Line Items]
Face amount	15,000
Term Loan \| Line of Credit \| Subsequent Event \| Debt tranche three
Debt Instrument [Line Items]
Face amount	20,000
Non-dilutive financing	$ 25,000