Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Underwritten Public Offering	At-the-Market Offering Program	Common Stock	Common Stock Underwritten Public Offering	Common Stock At-the-Market Offering Program	Treasury Stock	Additional Paid-in Capital	Additional Paid-in Capital Underwritten Public Offering	Additional Paid-in Capital At-the-Market Offering Program	Accumulated Deficit
Beginning balance at Dec. 31, 2021	$ 72,156			$ 3				$ 601,523			$ (529,370)
Beginning balance, shares at Dec. 31, 2021				30,511,226			1
Cashless exercise of common stock warrants, shares				7,359,285			18
401(k) matching contribution	254							254
401(k) matching contribution, shares				16,756
Vesting of restricted shares, shares				222,595
Stock-based compensation	5,775							5,775
ESPP shares issued	515							515
ESPP shares issued, shares				39,951
Net loss	(40,665)										(40,665)
Ending balance at Mar. 31, 2022	38,035			$ 3				608,067			(570,035)
Ending balance, shares at Mar. 31, 2022				38,149,813			19
Beginning balance at Dec. 31, 2021	72,156			$ 3				601,523			(529,370)
Beginning balance, shares at Dec. 31, 2021				30,511,226			1
Net loss	(91,585)
Ending balance at Jun. 30, 2022	(7,000)			$ 3			$ 19	613,952			(620,955)
Ending balance, shares at Jun. 30, 2022				38,372,403
Beginning balance at Mar. 31, 2022	38,035			$ 3				608,067			(570,035)
Beginning balance, shares at Mar. 31, 2022				38,149,813			19
Vesting of restricted shares, shares				222,590
Stock-based compensation	5,885							5,885
Net loss	(50,920)										(50,920)
Ending balance at Jun. 30, 2022	(7,000)			$ 3			$ 19	613,952			(620,955)
Ending balance, shares at Jun. 30, 2022				38,372,403
Beginning balance at Dec. 31, 2022	$ (74,814)			$ 3				652,276			(727,093)
Beginning balance, shares at Dec. 31, 2022	41,468,871			41,468,871			19
401(k) matching contribution	$ 456							456
401(k) matching contribution, shares				52,130
Vesting of restricted shares, shares				414,119
Stock-based compensation	7,048							7,048
ESPP shares issued	856							856
ESPP shares issued, shares				121,801
Issuance of common stock, shares						1,514,219
Issuance of common stock, net			$ 14,073			$ 1				$ 14,072
Net loss	(37,814)										(37,814)
Ending balance at Mar. 31, 2023	(90,195)			$ 4				674,708			(764,907)
Ending balance, shares at Mar. 31, 2023				43,571,140			19
Beginning balance at Dec. 31, 2022	$ (74,814)			$ 3				652,276			(727,093)
Beginning balance, shares at Dec. 31, 2022	41,468,871			41,468,871			19
Net loss	$ (78,779)
Ending balance at Jun. 30, 2023	$ 17,600			$ 5			$ 19	823,467			(805,872)
Ending balance, shares at Jun. 30, 2023	56,639,085			56,639,085
Beginning balance at Mar. 31, 2023	$ (90,195)			$ 4				674,708			(764,907)
Beginning balance, shares at Mar. 31, 2023				43,571,140			19
Issuance of common stock from exercise of stock options	111							111
Issuance of common stock from exercise of stock options, shares				15,000
Vesting of restricted shares	6							6
Vesting of restricted shares, shares				259,194
Stock-based compensation	7,253							7,253
Issuance of common stock, shares					12,793,750
Issuance of common stock, net		$ 141,390			$ 1				$ 141,389
Net loss	(40,965)										(40,965)
Ending balance at Jun. 30, 2023	$ 17,600			$ 5			$ 19	$ 823,467			$ (805,872)
Ending balance, shares at Jun. 30, 2023	56,639,085			56,639,085