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Restatement of Prior Financial Information - CONSOLIDATED STATEMENTS OF INCOME (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2022	Dec. 31, 2021
Operating expenses:
Research and development			$ 3,923			$ 10,590	$ 20,274	$ 14,928
Total operating expenses			5,704			16,110	27,656	22,389
Operating loss			(5,704)			(16,110)	(27,656)	(22,389)
Loss before taxes			(5,691)			(15,949)	(25,915)	(22,185)
Income tax benefit			(934)			(2,586)	4,717	3,728
Net loss	$ (5,096)	$ (4,575)	$ (4,757)	$ (8,683)	$ (13,779)	$ (13,363)	(21,198)	(18,457)
Deemed dividend on accretion of redeemable common stock	$ (102)	$ (33)		$ (33)	$ (135)		(135)
Net loss attributable to common shareholders							$ (21,399)	$ (18,658)
Basic and diluted earnings per common share:
Net loss per share - basic			$ (0.51)			$ (1.58)		$ (2.09)
Net loss per share - diluted			$ (0.51)			$ (1.58)		(2.09)
Common Stock
Basic and diluted earnings per common share:
Net loss per share - basic	$ (0.43)	$ (0.46)		$ (0.88)	$ (1.30)		$ (1.91)	(2.09)
Net loss per share - diluted	$ (0.43)	$ (0.46)		$ (0.88)	$ (1.30)		$ (1.91)	(2.09)
Redeemable Common Stock
Operating expenses:
Deemed dividend on accretion of redeemable common stock	$ (102)	$ (33)		$ (33)	$ (135)		$ (135)
Basic and diluted earnings per common share:
Net loss per share - basic	$ (0.38)	$ 0.78		$ 1.59	$ (1.10)		$ (1.82)	$ 0
Net loss per share - diluted	(0.38)	0.78		1.59	(1.10)		$ (1.82)
Error in the accounting treatment of contract deposit-related invoices. | As previously reported
Operating expenses:
Research and development			$ 4,217			$ 10,884		$ 15,477
Total operating expenses			5,998			16,404		22,938
Operating loss			(5,998)			(16,404)		(22,938)
Loss before taxes			(5,985)			(16,243)		(22,734)
Income tax benefit			(998)			(2,650)		3,847
Net loss			$ (4,987)			$ (13,593)		(18,887)
Net loss attributable to common shareholders							$ (21,399)	$ (19,088)
Basic and diluted earnings per common share:
Net loss per share - basic			$ (0.54)			$ (1.60)		$ (2.14)
Net loss per share - diluted			$ (0.54)			$ (1.60)		$ (2.14)
Error in the accounting treatment of contract deposit-related invoices. | As previously reported | Common Stock
Basic and diluted earnings per common share:
Net loss per share - basic	(0.42)	(0.46)		(0.87)	(1.29)		$ (1.90)
Net loss per share - diluted	(0.42)	(0.46)		(0.87)	(1.29)		(1.90)
Error in the accounting treatment of contract deposit-related invoices. | Adjustments
Operating expenses:
Research and development			$ (294)			$ (294)		$ (549)
Total operating expenses			(294)			(294)		(549)
Operating loss			294			294		549
Loss before taxes			294			294		549
Income tax benefit			64			64		(119)
Net loss			$ 230			$ 230		430
Net loss attributable to common shareholders								$ 430
Basic and diluted earnings per common share:
Net loss per share - basic			$ 0.03			$ 0.02		$ 0.05
Net loss per share - diluted			$ 0.03			$ 0.02		$ 0.05
Error in the accounting treatment of contract deposit-related invoices. | Adjustments | Common Stock
Basic and diluted earnings per common share:
Net loss per share - basic	(0.01)			(0.01)	(0.01)		(0.01)
Net loss per share - diluted	(0.01)			(0.01)	(0.01)		(0.01)
Error in the accounting treatment of contract deposit-related invoices. | Adjustments | Redeemable Common Stock
Basic and diluted earnings per common share:
Net loss per share - basic	(0.38)	0.78		1.59	(1.10)		(1.82)
Net loss per share - diluted	$ (0.38)	$ 0.78		$ 1.59	$ (1.10)		$ (1.82)

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