CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues [Abstract]
Revenue from collaborative arrangements	$ 462,000	$ 973,000	$ 1,550,000	$ 973,000
Total revenue	12,917,000	9,852,000	22,563,000	17,709,000
Cost and operating expenses:
Cost of revenue from collaborative arrangements (exclusive of depreciation shown below)	(419,000)	(471,000)	(826,000)	(471,000)
Cost of revenue from related party transactions (exclusive of depreciation shown below)	(50,000)	(227,000)	(91,000)	(296,000)
Research and development expense	(18,908,000)	(13,237,000)	(35,194,000)	(25,598,000)
Depreciation expense	(1,348,000)	(1,163,000)	(2,605,000)	(2,222,000)
Selling, general and administrative expense	(12,452,000)	(7,146,000)	(29,287,000)	(12,224,000)
Total cost and operating expenses	(43,535,000)	(28,973,000)	(85,703,000)	(53,300,000)
Loss from operations	(30,618,000)	(19,121,000)	(63,140,000)	(35,591,000)
Other income (expense):
Interest income, net	1,701,000	(5,000)	1,915,000	(5,000)
Other expense, net	2,001,000	102,000	(28,395,000)	76,000
Total other income (expense), net	3,702,000	97,000	(26,480,000)	71,000
Loss before income taxes	(26,916,000)	(19,024,000)	(89,620,000)	(35,520,000)
Income tax expense	0	0	0	0
Gain (loss) from equity method investees, net	130,000	3,095,000	(478,000)	2,813,000
Net loss	(26,786,000)	(15,929,000)	(90,098,000)	(32,707,000)
Other comprehensive loss:
Foreign currency translation adjustments	96,000	(355,000)	47,000	(383,000)
Comprehensive loss	(26,690,000)	(16,284,000)	(90,051,000)	(33,090,000)
Unpaid cumulative dividends on preferred stock	0	(9,654,000)	(4,117,000)	(19,177,000)
Net loss allocated to common shareholders	$ (26,786,000)	$ (25,583,000)	$ (94,215,000)	$ (51,884,000)
Net loss per common share, basic (in dollars per share)	$ (0.14)	$ (2.77)	$ (0.60)	$ (5.63)
Net loss per common share, diluted (in dollars per share)	$ (0.14)	$ (2.77)	$ (0.60)	$ (5.63)
Weighted average shares outstanding of common stock - basic (in shares)	195,537,601	9,222,214	156,472,730	9,222,870
Weighted-average number of common shares outstanding - diluted (in shares)	195,537,601	9,222,214	156,472,730	9,222,870
Service
Cost and operating expenses:
Cost of revenue from contracts with customers (exclusive of depreciation shown below)	$ (9,631,000)	$ (6,417,000)	$ (16,973,000)	$ (11,613,000)
Service | Nonrelated Party
Revenues [Abstract]
Revenue	10,372,000	7,139,000	17,957,000	13,602,000
Service | Related Party
Revenues [Abstract]
Revenue	1,076,000	758,000	2,049,000	1,412,000
Tangible Products
Cost and operating expenses:
Cost of revenue from contracts with customers (exclusive of depreciation shown below)	(727,000)	(312,000)	(727,000)	(876,000)
Tangible Products | Nonrelated Party
Revenues [Abstract]
Revenue	$ 1,007,000	$ 982,000	$ 1,007,000	$ 1,722,000